Khoom installationntawm tsis siv neeg dej nyab barrier
Tus qauv 600 tuaj yeem ntsia tau rau ntawm qhov chaw lossis kos. Cov qauv 900 thiab 1200 tsuas tuaj yeem ntsia tau rau hauv cov kab ke kos. Kev txhim kho cov dej nyab teeb meem yuav tsum ua kom tiav los ntawm ib pab pawg kws tshaj lij kev teeb tsa tshwj xeeb, thiab yuav tsum ua raws li lub sijhawm kuv (tag nrho tsis siv neeg hydraulic fais fab dej nyab lub rooj vag - daim ntawv lees txais kev teeb tsa) tsuas yog siv tom qab dhau qhov kev lees paub.
Nco tseg:Yog hais tias lub installation nto yog asphalt av, vim hais tias cov asphalt av kuj yog mos, lub hauv qab thav duab yog ib qho yooj yim mus vau tom qab lub sij hawm ntev dov los ntawm lub tsheb; Ntxiv mus, cov expansion bolts ntawm asphalt hauv av tsis ruaj khov thiab yooj yim rau loosen; Yog li ntawd, asphalt av yuav tsum tau rebuilt nrog pob zeb installation platform raws li xav tau.