 Lub vaj huam sib luag ntawm lub rooj vajvoog yog qhov khoom siv rau cov khoom siv xyoob pob zeb ua cov khoom loj thiab cov khoom siv. Vim muaj kev kub ntxhov, kev ua haujlwm tsis txaus ntseeg thiab kev ywj pheej ntawm kev xyuam xim ntawm cov ntaub hlua khi rubber, steel templates tau hloov rau ntau qhov chaw ntawm kev siv. Vim hais tias xyoob pob zeb yog qhov yooj yim rau kev cog qoob loo, hav zoov muaj kev yoo nrawm khiav hav zoov tuaj yeem ua rau peb mus txog tsib xyoos thiab tuaj yeem hloov ntoo. Yog li, txoj cai ntawm Ministry of Forestry txhawb txoj kev loj hlob ntawm cov ntoo-raws li cov vaj tse nrog xyoob ua cov txheej txheem tseem ceeb, uas tau raug hloov hauv ntau qhov chaw. Siv cov ntoo raws li cov ntoo. Lub rooj vaj huam sib luag siv dav dav siv dav hauv daim ntawv kab rov tav, daim ntsa phab ntsa, kab ntsig phab ntsa, tus choj, viaduct, lub pas dej, qhov chaw tsheb nqaj hlau thiab txoj hlua ntawm lub tsev tsim, thiab lub rooj sib txuas bambooboard tseem siv dav hauv ntau lub thawv, thawv, tsheb thiab tsheb nqaj hlau , tsev neeg pem teb, sab hauv tsev, rooj vaj huam sib luag, rooj tog zaum, thiab lwm yam. Lub vaj huam sib luag ntawm bambooboard yuav siv tau los ua cov qauv vaj tse, los yog siv tau ua ib qho chaw hauv tsheb los ntawm phaj ntev thiab kho qhov chaw. |
Dab tsi yog qhov txiaj ntsim ntawm pawg vaj huam sib luag bambooboard?
Cov Khoom Nrov
Xa kev nug