-
Dab tsi yog hom txoj hlua khi Yi guardrail network?
1. Ncej guardrail net Lub thav duab thaiv tsev sab nrauv tseem hu ua "thav duab hom tiv thaiv nce toj vuam daim ntawv", "daim phiaj cais cais" thiab lwm yam. Nws yog ib qho kev sib dhos ntawm cov khoom hloov tau yooj yim, thav duab guardrail net dav siv, nrov dua li tus dav dav guardrail net siab, ...Nyeem ntxiv -
Daim ntawv thov cov peev txheej ntawm cov kav hlau tiv thaiv
Barbed hlau, tseem hu ua hlau laj kab net, xaim cais tawm ntawm tes, xaim xov laj kab net. Yog txheej txheej ntawm kev nyab xeeb, zoo nkauj, kev tiv thaiv ib puag ncig, siv tswv yim tshiab ntawm laj kab tshiab. Cov hlau tsis muaj hlau cov khoom siv yog welded nrog zoo cov pa roj carbon steel hlau, Kev faib tawm los ntawm kev kho saum npoo: dub hlau tiv thaiv ...Nyeem ntxiv
