Cov dej me me tsis kam: Sab hauv ntawm HDPE cov kav dej yog du, du, kev ua haujlwm zoo thiab tsis yog -cov yam ntxwv nplaum kom ntseeg tau tias HDPE cov kav dej muaj peev xwm ntau dua li cov kav dej ib txwm muaj, thiab tib lub sijhawm txo qhov siab. poob ntawm cov yeeb nkab thiab kev siv zog ntawm kev xa dej; yooj yim los tuav: HDPE Cov kav dej yog sib dua li cov kav dej ua vaj tse, cov kav dej galvanized, thiab cov kav hlau steel. Nws yog ib qho yooj yim los lis thiab nruab. Cov neeg ua haujlwm qis thiab cov khoom siv uas yuav tsum tau ua txhais tau hais tias tus nqi installation ntawm qhov project yog txo qis heev; Ntau yam kev tsim kho tshiab: Muaj ntau yam kev tsim kho rau cov kav dej HDPE. Ntxiv rau cov txheej txheem kev khawb ib txwm siv, ntau yam kev siv thev naus laus zis tshiab xws li cov yeeb nkab jacking, kev taw qhia drilling, cov kav dej liner, thiab cov kav dej tawg tuaj yeem siv tau.
