Choj autromagnetic Crane

1. Choj Crane Qauv

Choj \/ nqaj: Cov crane muaj cov nqaj loj sib txuas (tus choj) uas spans qhov dav ntawm cov chaw ua haujlwm thiab txav mus raws cov lem.

Trolley System: Lub trolley khiav raws tus choj, nqa txoj kev nqa lub tshuab, uas tuaj yeem txav mus rau tom ntej thiab rov qab los ntawm cov nqaj.

Ho xav lub zog: Tus hoist yog lub litrting tshuab uas tsa thiab txo qis lub nra, feem ntau yog tsav los ntawm hluav taws xob motors.

2. Ib luxiliary nuv

Tusib luxiliary nuvyog ib tus xov xwm thib ob tau siv rau kev sib zog lossis ntau dua lifting ua haujlwm. Nws ua kom haum lub ntsiab nqa tshuab (uas tej zaum yuav yog lub kaw lus hluav taws xob lossis lwm tus thawj tus nuv).

Tus xov tooj no muab hloov tau, tso cai rau lub crane los lis ntau cov ntaub ntawv thiab ua cov haujlwm ntxaws ntxaws uas yuav tsum muaj qhov ua kom pom tseeb dua li thawj tus nuv lossis hluav taws xob.

3. Electromagetic Tsim

Electromagnet: Lub phaj hluav taws xob ntau lossis thaiv yog siv rau kev nqa cov khoom siv (sib nqus) cov kab sib nqus zoo li cov hlau nplaum hlau, cov kab teeb, kav hlau.

Kev Tswj Electromagnetic: Tus neeg teb xov tooj tuaj yeem tswj hwm lub zog ntawm cov hlau nplaum los koom lossis tso cov ntaub ntawv, pub rau kev tuav ceev thiab txuag tau nrawm.

Kev pab fais fab: Lub tshuab hluav taws xob hluav taws xob tau siv hluav taws xob, uas tsim cov teb sib nqus muaj zog txaus kom nqa cov khoom hnyav. Thaum lub zog txiav tawm, cov hlau nplaum tso tawm lub nra.

4. Cov Ntawv Thov

Hlau Ua Haujlwm thiab Hlau Mills: Siv rau cov phiaj hlau tsiv hlau, cov kab teeb, coils, lossis seem hlau.

Scrap mev: Siv tau rau cov chaw thau khoom thiab xa cov ntaub ntawv loj.

Chaw Thauj Khoom thiab Chaw Tso Cai: Tuav ntawm cov hlau nplaum, kav dej, thiab lwm yam khoom siv hnyav.

5. Kev Nyab Xeeb Nta

Electromagnetic system yog feem ntau nruab nrog roj teeb thaub qab los tiv thaiv kev raug yuam kev tso tawm cov khoom siv thaum lub zog tsis ua haujlwm.

Sensors thiab txwv cov khoom siv tau siv los ua kom muaj kev nyab xeeb, tiv thaiv kev tshaj lij thiab ua yuam kev ua yuam kev.

 

 

1. Tus choj

Tustus chojyog tus qauv tseem ceeb tshaj plaws uas spans thaj chaw ua haujlwm. Nws yog mounted ntawm kawg cov tsheb thauj khoom uas khiav raws cov ciav hlau ruaj ruaj rau lub tsev nthab lossis qauv.

Kawg Cov Tsheb: Cov no yog lub log uas muaj log nyob rau ntawm qhov kawg ntawm tus choj, cia nws txav mus ncig ua kab rov tav raws cov ntsia.

Ntsia \/ khiav: Lem raws tus choj uas lub crane choj txav mus los, ntsia rau ntawm ob sab ntawm chaw ua haujlwm.

 

2. Lub tsheb loj

Tuslub tsheb lojTxav mus rau kab rov tav ntawm tus choj. Nws nqa ob qho tib si lub hoist system (rau tus saib xyuas nuv) thiab hluav taws xob.

Trolley Ncej: Ib lub platform uas txhawb nqa kev xav tau thiab hluav taws xob.

Trolley Motors: Cov tshuab hluav taws xob tsav tsheb lub trolley cov kab rov tav mus raws tus choj.

 

3. Rab txhawb

Tusrab txhawbYog lub luag haujlwm rau txoj kev khiav ceev thiab txo qis ntawm kev thauj khoom. Tus Saib Xyuas Hook thiab cov hluav taws xob hluav taws xob txuas nrog cov kab ke no.

Ib luxiliary nuv: Ib qho thib ob, lub luag haujlwm sib luag Hook tsim kom meej meej tuav cov haujlwm lossis rub cov khoom sib dua. Nws tuaj yeem siv rau cov ntaub ntawv tsis sib nqus lossis cov khoom me me.

Hlau Hlua \/ saw: Qhov no txuas lub nuv lossis cov hlau nplaum rau cov kev ua haujlwm shoist, ua rau cov txav ntsug ntawm kev thauj khoom.

Hoby LIAB: Powers Lub Sob Hoist system, tso cai rau nws nqa los yog txo qis cov pab pawg nuv lossis hluav taws xob.

 

4. Electromagnetic Lifting System

Electromagnet: Daim phiaj hluav taws xob ntau rau cov kauj hauv hluav taws xob lossis chev uas tuaj yeem ua kom muaj zog ua kom muaj zog txhawb nqa (sib nqus) zoo li cov nqaj hlau, daim hlau, lossis seem hlau.

Hlau nplaum tswj system: Tso cai rau tus neeg teb xov tooj kom tswj tau kev ua kom lub zog (cov hlau nplaum rau \/ tawm) thiab siv hluav taws xob.

Lub Zog Hluav Taws Xob rau Cov Hlau nplaum: Lub tshuab hluav taws xob yuav tsum muaj hluav taws xob hluav taws xob kom tsim cov pob sib nqus uas tsim nyog los nqa cov khoom hlau. Hauv qee kis, cov roj teeb backups raug teeb tsa rau kev nyab xeeb thaum lub zog tsis ua haujlwm.

Hlau nplaum ncua machine: Cov cuab yeej zoo li cov saw hlau lossis cov kis tau tuav tau muab tshem tawm cov tshuab hluav taws xob thiab xyuas kom ruaj khov thaum lub sijhawm nqa haujlwm.

4. End cab

1) Lub tshuab hluav taws xob siv hluav taws xob hauv hluav taws xob siv hluav taws xob hauv hluav taws xob hauv hluav taws xob yog ib hom crane uas siv hluav taws xob mus nqa thiab tshem cov khoom siv hnyav. Kawg cov neeg sab laj yog cov seem ntawm cov crane uas txhawb tus choj thiab cia nws txav mus raws txoj kev ntsia. Kawg cov neeg khiav tawm kuj feem ntau txhawb lub hoist thiab trolley sib dhos, cia cov kev sib dhos kom sib dhos, cia cov crane txav lub thauj mus rau sab thiab nce thiab nqis.

2) siv hluav taws xob hauv hluav taws xob siv hluav taws xob ua haujlwm rau CRANE kawg cov neeg ua haujlwm tau tsim tshwj xeeb los ua haujlwm nrog electromagnetically cranes. Lawv ib txwm ua los ntawm cov txheej txheem hnyav ntawm cov hlau thiab yog tsim los tiv thaiv qhov hnyav thiab kev ntxhov siab ntawm kev txav hnyav. Qhov kawg ntawm cov neeg khiav tawm feem ntau tau nruab nrog cov log uas tso cai rau crane txav mus rau ntawm cov kev sib tw du thiab yooj yim.

3) Ib qho tseem ceeb ntawm cov txiaj ntsig ntawm hluav taws xob ua haujlwm rau CRANEAD CRANE kawg cov ntoo yog lawv lub peev xwm ua haujlwm nrog ntau yam kev sib txawv. Vim tias lub tshuab hluav taws xob tuaj yeem muab tua thiab tawm, cov crane tuaj yeem khaws thiab txav chaw sib txawv ntawm qhov sib txawv thiab cov duab sib txawv thiab cov duab. Qhov no ua rau crane heev veratile thiab muaj txiaj ntsig nyob rau ntau yam ntawm kev lag luam sib txawv.

4) Zuag qhia tag nrho, electromagnetic overhead crane kawg cov ntoo muaj cov ntoo yog qhov tseem ceeb ntawm ib qho hluav taws xob crane. Lawv muab cov kev txhawb nqa tsim nyog thiab muaj kev muaj zog rau lub crane kom txav lub nra hnyav thiab nyab xeeb.

 

5. Crane Taug Kev Taug Kev

Lub tshuab hluav taws xob hluav taws xob ua haujlwm rau Crane kev mus ncig ua si crane kev mus ncig ua ke yog ib qho tseem ceeb ntawm cov tshuab hluav taws xob hluav taws xob hauv nruab nrab. Nws yog lub luag haujlwm rau kev txav lub crane raws cov ciav hlau uas nyob ntawm lub qab nthab ntawm lub tsev. Lub tshuab taug kev taug kev yuav tsum muaj zog thiab ruaj khov, raws li nws yuav tsum txhawb qhov hnyav ntawm lub crane raws li cov loads uas nws nqa.

 

Lub tsev neeg taug kev taug kev muaj ntau lub ntsiab:

1. Choj Cov Qauv:Tus qauv choj yog lub cev loj ntawm lub crane uas nthuav dav qhov dav ntawm lub tsev. Nws muaj li ntawm ob kawg cov tsheb thauj khoom thiab ib lossis ntau tus ntxhais tsiaj uas txuas rau lawv. Qhov kawg-cov tsheb thauj khoom lub log uas khiav raws cov ciav hlau thiab txhawb nqa tus qauv choj.

2. Log thiab Axles:Lub log thiab Axles yog qhov tseem ceeb ntawm kev taug kev hauv kev mus ncig. Lub log tau muab tso rau ntawm Axles uas tau txais kev txhawb nqa los ntawm cov tsheb thauj khoom kawg. Lub log khiav raws cov ciav hlau ntawm lub qab nthab ntawm lub tsev thiab pab kom lub crane txav mus rau sab nraud thiab rov qab, nrog rau sab rau ib sab.

3. Lub cev muaj zog:Lub cev muaj zog yog lub zog tsav tsheb tom qab lub tshuab taug kev. Nws muab lub zog uas txav lub crane raws cov ciav hlau. Lub cev muaj zog yog feem ntau nyob ntawm ib qho kawg ntawm cov tsheb thauj khoom thiab txuas nrog lub log los ntawm kev xa khoom.

4. Tus Qes:Tus brakes yog ib qho kev nyab xeeb tseem ceeb ntawm kev taug kev ncig ua si. Lawv tsim los nres cov crane thaum muaj xwm ceev lossis thaum lub hwj chim rau lub cev muaj zog txiav. Tus brakes yog feem ntau nyob rau ob lub tsheb thauj khoom kawg thiab txuas nrog lub log los ntawm kev braking.

5. Tswj System:Cov kev tswj hwm yog lub hlwb ntawm kev mus ncig ua si. Nws yog lub luag haujlwm rau kev tswj hwm lub cev muaj zog, tus brakes, thiab lwm yam ntawm lub crane. Cov kev tswj hwm tau tuaj yeem ua haujlwm manually lossis txiav, nyob ntawm qhov yuav tsum tau ua ntawm txoj haujlwm.

 

Zuag qhia tag nrho, lub electromagnetic overhead crane kev mus ncig crane kev mus ncig ua ke yog qhov tseem ceeb heev ntawm lub crane. Nws yuav tsum yog tsim thiab tsim los tiv thaiv cov nra hnyav uas tau nqa los ntawm lub crane, nrog rau cov mob hnyav ntawm kev ua haujlwm.

 

6. Trolley Traversing Mechanism

1) Lub tshuab hluav taws xob siv hluav taws xob siv hluav taws xob ua haujlwm Crane Trolley Traversing mechanism yog ib feem tseem ceeb ntawm kev siv nyiaj ua ntej crane. Nws yog lub luag haujlwm rau kev txav ntawm Trolley raws tus choj ntawm lub crane, cia nws tuaj tos thiab thauj cov khoom siv hnyav.

2) Lub Trolley Traversing Mechanism siv tau hluav taws xob haib heev txav tau cov trolley. Cov txheej txheem hluav taws xob muaj hluav taws xob tau nce rau hauv qab ntawm Trolley, uas tuaj yeem muab tua thiab tua raws li qhov tsim nyog. When the electromagnets are activated, they create a magnetic field that interacts with the steel rails on the bridge of the crane. Qhov no ua rau cov trolley txav mus raws cov ntsia.

3) Lub Trolley Traversing lub tshuab tuaj yeem tswj hwm los ntawm ntau txoj kev, suav nrog kev tswj hwm lossis kev tswj hwm computer. Cov kab ke no tuaj yeem muab kev tswj kom meej dhau ntawm kev txav ntawm Trolley, tso cai rau nws tau txais kev ua haujlwm rau kev thauj khoom thiab thau khoom.

4) Zuag qhia tag nrho, lub electromagnetic overhead crane trolley traversing mechanism yog ib qho tseem ceeb tiv thaiv ntawm cov neeg siv nyiaj Crane. Nws lub peev xwm txav lub trolley du thiab muaj txiaj ntsig yog qhov tseem ceeb rau kev ua kom tiav cov khoom lag luam thiab kev nyab xeeb ntawm lub crane.

 

7. Crane log

1) ob chav girder hluav taws xob tua ho choj log crane log yog rau lub log ntawm lub choj tw ntawm ib tus girder hluav taws xob haws lub dav hlau crane. Lub log crane muaj lub luag haujlwm rau kev txav ntawm lub choj nqaj raws cov kev khiav paim, tso cai rau crane mus taug kev tav toj ntawm thaj chaw ua haujlwm. Cov log no feem ntau yog ua los ntawm forged steel lossis cam khwb cia hlau, thiab yog tsim los zais qhov hnyav ntawm lub crane thiab nws load. Lub log feem ntau tau nruab nrog bearings lossis lubrication tshuab los xyuas kom meej kev ua haujlwm du thiab txo cov kev hnav thiab kua muag. Kev saib xyuas kom zoo thiab tshuaj ntsuam ntawm cov log crane yog qhov tseem ceeb rau kev nyab xeeb thiab kev ua haujlwm ntawm lub crane.

2) Lub log crane feem ntau ua los ntawm cam khwb cia lossis forged steel thiab yog tsim los khiav ntawm cov ntsia hlau ntsia rau sab saum toj ntawm daim npav lossis choj. Lub log tau tsav siv lub cev muaj zog lossis keared dr dr drive tshuab kom txav lub crane ua ke los ntawm kev tso tawm lossis choj.

 

8. Ib luxiliary nuv

Qhov no yog ib tug txuas ntxiv nuv nrug ntawm lub ntsiab nqa system. Nws yog feem ntau ntais thiab siv rau me dua lossis ntau dua lifting ua haujlwm. Nws ua kom zoo thawj hoisting mechanism thiab muaj yooj rau kev nqa cov ntaub ntawv tsis muaj hlau nplaum lossis cov khoom sib nqus.

 

9. Lub cev muaj zog

Lub tshuab hluav taws xob siv hluav taws xob siv nyiaj txiag crane lub cev muaj zog yog ib hom kev tsav hluav taws xob uas siv hluav taws xob ua kom muaj cov khoom sib nqus los ua cov khoom sib nqus los tsim cov khoom sib nqus (sib hloov zog) thiab lub zog. Cov motors no yog ib qho siv nyob rau hauv cov khoom siv ua haujlwm kom nqa cov khoom hnyav thiab txav lawv ntawm ib qho chaw mus rau lwm qhov hauv kev muaj chaw. Cov Motors Electromagnetic yog paub txog lawv cov peev txheej siab, kev tswj kom meej, thiab kev muaj peev xwm los tuav cov khoom hnyav. Lawv tau tsim los ua haujlwm hauv cov chaw hnyav thiab muaj peev xwm tiv taus ntau kub, hmoov av, thiab noo noo. Electromagnetic siv nyiaj ua haujlwm siv nyiaj Crane motors feem ntau yog powered by ac (hloov tam sim no) lossis DC (DC (cov cai tam sim no nyob ntawm daim ntawv thov kev cai.

 

10. Suab thiab Lub Teeb Tswb Zog & txwv Hloov & Qhov Chaw Nyab Xeeb

1) Txhua lub crane yuav tau nruab lub suab thiab lub teeb pom kev lub teeb pom kev zoo kom cov neeg muaj kev nyab xeeb thaum muaj xwm ceev. Nws yog ib qho tseem ceeb kom paub meej tias lub system yog kev kuaj tsis tu ncua thiab tswj kom ntseeg tau tias nws ua haujlwm zoo.

2) Txoj kev txwv hloov tuaj yeem siv tau dav hauv peb - ​​txoj kev tswjfensional thiab kev txwv tsis pub dhau ntawm kev xav tshuab, thiab nws tuaj yeem tiv thaiv lub crane.

 

11. Tswj hom

 

12. Kos duab

 

Lifting muaj peev xwm			5t+5t; 7.5t+7.5t; 10t+10t; 16t+16t
Lifting qhov siab			mus txog 20m
Ntsev (Txuj Ci)			10.5-31.5m
Hov ceev	Hoisting	Qeeb	1 m \/ min
		Kev yoov mov	15 m \/ min
	tus rooj ris		4-40 m \/ min
	Tus noog		10-100 m \/ min
Ua Haujlwm System			A5~A6

 

 

Ntau yam khoom siv tuavNrog lub peev xwm los txhawb nqa ob qho tib si ferrous thiab cov ntaub ntawv uas tsis muaj ferrous.

Kev ua haujlwm tau zoonrog kev nrawm nrawm thiab tso tawm kev sib xyaw.

Txhim kho cov khoom lag luamlos ntawm kev txo lub sijhawm teeb tsa thiab nrawm nrawm tuav.

Txhim kho kev nyab xeebnrog cov chaw taws teeb tswj thiab cov tshuab backup.

Nqi-Zoonrog kev txo nqi thiab kev saib xyuas saib xyuas.

Precision tuavlos ntawm tus saib xyuas hel rau me me lossis cov khoom siv roj heev.

Qhov Chaw Ua Tau Zoothiab optimized siv cov chaw ua haujlwm.

Txo txoj kev pheej hmoo ntawm kev puas tsuajrau cov ntaub ntawv thiab khoom siv.

Lub sijhawm-txuag hauv kev tuavthiab ntau daim txiag nqa.

Ib puag ncig kev yoograu siv nyob rau hauv ntau ntawm kev lag luam.

 

 

TusChoj autromagnetic CraneYog siv dav hauv ntau yam kev lag luam vim tias nws cov versatility, ua ke cov txiaj ntsig ntawm lub tshuab hluav taws xob nrog lub preuxiliary nuv. Hauv qab no yog cov ntawv thov tseem ceeb uas hom Crane no yog qhov zoo tshaj plaws:

1. STEEL MILLS THIAB COV HLAU UA TSAUG NRES

Tuav Hlau Khoom: Cov crane yog siv los nqa, txav, thiab thauj cov khoom hnyav hlau xws li cov phiaj hlau, bills, coils, thiab kab.

Thauj Cov Hlau Kub: Electromagnetic cranes yog siv rau kev txav cov kub steel pob lossis billets hauv hlau mills.

Seem hlau loading \/ thauj khoom: Lub tshuab hluav taws xob hluav taws xob tuaj yeem khaws cov hlau ceev ceev rau cov hlau siv lossis ua ntxiv. Tus Saib Xyuas Look tuaj yeem ua rau cov khoom lag luam tsis sib nqus zoo li cov cuab yeej lossis ntim khoom.

2. Seem yards thiab cov chaw rov ua dua tshiab

Lifting thiab sorting seem: Tus crane yog zoo rau kev nqa thiab cais cov khoom loj ntawm cov hlau muag. Lub tshuab hluav taws xob pab sib sau ua ke thiab txav cov ntaub ntawv ferrous tau zoo, thaum tus saib xyuas cov khoom siv tsis yog siv los nqa cov ntaub ntawv tsis sib nqus xws li yas, lossis lwm yam pov tseg.

Tej Handling: Lub crane muaj peev xwm nqa ntau daim ntawm scrap hlau ib zaug, ua rau nws muaj txiaj ntsig zoo rau kev ua haujlwm tua.

3. Nkoj thiab chaw nres nkoj

Chaw thau khoom thiab thauj khoom hlau hlau: Lub tshuab hluav taws xob crane feem ntau yog siv nyob rau hauv cov nkoj xa khoom los tuav cov hlau nplaum, kab teeb, thiab lwm yam khoom lag luam siv hauv nkoj lossis khoom thauj.

Thauj Cov Khoom Siv Cov Txheej Hlau: Tus saib xyuas ib tus phooj ywg tso cai rau lub crane nqa cov khoom uas tsis sib nqus, xws li lub nkoj, crates, lossis tshuab, ua rau nws muaj ntau yam khoom lag luam.

4. Kev tsim khoom thiab sib dhos cov nroj tsuag

Hlau Fabrication Hlau: Cov crane yog siv los thauj cov hlau hnyav, xws li cov hlau seem, rau thiab los ntawm cov tshuab fabrication (piv txwv li, cov chaw nres tsheb hlau). Tus Saib Xyuas Hook tuaj yeem siv tau rau ntau lub rooj sib txoos.

Los ua ke ntawm cov khoom loj: Thaum sib sau ua ke cov khoom siv hnyav lossis cov tshuab, cov crane cov kws pab ntsuas nuv yog cov khoom siv me me, thaum lub tshuab hluav taws xob

 

 

Cov txheej txheem ntau lawm rau lub tshuab siv hluav taws xob hauv tshuab hluav taws xob ua haujlwm Crane yog raws li hauv qab no:

1. Tsim:Thawj kauj ruam hauv kev tsim lub tshuab hluav taws xob hluav taws xob hauv tshuab hluav taws xob hauv tshuab hluav taws xob yog tsim nws raws li cov neeg yuav tsum tau ua. Qhov no cuam tshuam nrog kev txiav txim siab lub peev nyiaj, luv, thiab lwm yam kev cai tshwj xeeb.

2. Fabrication:Thaum tus qauv tsim yog zaum kawg, lub chaw tsim khoom zoo pib. Lub txheej txheem fabrication koom nrog txiav, vuam, thiab sib sau ua ke ntau feem ntawm cov crane.

3. Hluav Taws Xob Hluav Taws Xob:Tom qab cov txheej txheem fabrication tom qab hluav taws xob ntxiv rau cov crane. Qhov no suav nrog kev teeb tsa ntawm lub tshuab hluav taws xob hluav taws xob, tswj vaj huam sib luag, cov hluav taws xob hauv hluav taws xob, thiab lwm yam hluav taws xob.

4. Kuaj:Thaum lub crane yog tag nrho cov rooj sib tham, nws undergoes nruj nruj kev xeem kom ntseeg tau kev ua tau zoo. Qhov no suav nrog kev thauj khoom, kev sim ua haujlwm, thiab ntsuas hluav taws xob.

5. Kev xa khoom thiab kev teeb tsa:Tom qab kuaj, lub crane yog npaj rau kev xa khoom thiab teeb tsa. Cov txheej txheem teeb tsa installation cuam tshuam nrog kev ua kom cov crane ntawm cov nqaj hlau ua haujlwm thiab txuas nws rau lub zog thiab tswj cov tshuab.

6. Tswvyim:Thaum lub crane yog ntsia, nws undergoes txhij txhua commissioning cov txheej txheem los txheeb xyuas nws cov kev ua tau zoo. Qhov no suav nrog kev ua haujlwm thiab kev hloov kho kom ntseeg tau tias cov crane ua tau raws li cov kev cai tshwj xeeb.

7. Andover:Tom qab commissioning, tus crane tau muab rau tus neeg siv khoom siv. Tus neeg tau txais kev cob qhia txog kev yuav ua li cas los daws cov crane kev nyab xeeb thiab muaj txiaj ntsig.

8. Txhua yam, cov txheej txheem ntau lawm rau lub tshuab hluav taws xob ua haujlwm hauv tshuab hluav taws xob hauv tshuab hluav taws xob yog qhov muaj kev txawj ntse, thiab muaj kev tshaj lij, thiab kev paub zoo, thiab kev paub zoo, thiab kev paub zoo, thiab kev paub zoo, thiab kev paub zoo, thiab kev paub zoo thiab zoo Lub hom phiaj yog los tsim cov crane txhim khu kev qha thiab muaj peev xwm ua tau cov kev xav tau ntawm cov neeg siv khoom thiab xyuas kom meej cov peev txheej hauv cov khoom tuav.

 

 

Lub tuam txhab tau teeb tsa cov khoom siv tswj hwm kev txawj ntse platform, thiab tau teeb tsa 310 teev (teeb tsa) ntawm kev tuav thiab vuam hlau. Tom qab ua tiav ntawm txoj kev npaj, yuav muaj ntau tshaj 500 teev (teeb tsa), thiab cov khoom siv sib txuas lus yuav ncav cuag 95%. 32 VUAM txoj kab tau muab tso rau hauv kev siv, 50 tau npaj yuav tsum tau nruab, thiab kev siv lub tshuab ntawm cov kab ntawv tag nrho tau mus txog 85%.

Cim npe nrov: Choj choj hluav taws xob crane, Tuam Tshoj ib tus choj hluav taws xob crane tsim, cov chaw muag khoom, Hoobkas