Galvanized steel yeeb nkab yog dab tsi?

Galvanized steel kav yog muab faib ua txias galvanized steel kav thiab kub-dip galvanized steel kav. Cov kav dej txias galvanized steel tau raug txwv, thiab tom kawg tau raug txhawb nqa ib ntus rau kev siv hauv lub tebchaws. Nyob rau xyoo 1960 thiab 1970, cov tebchaws tsim thoob ntiaj teb tau pib tsim cov kav dej tshiab thiab maj mam txwv cov kav dej galvanized. Tuam Tshoj Ministry of Construction thiab plaub lwm lub chaw haujlwm tseem tau tshaj tawm tias cov kav dej galvanized tau raug txwv tsis pub siv cov kav dej txij li xyoo 2000. Cov kav dej galvanized tsis tshua muaj siv hauv cov kav dej txias hauv cov chaw nyob tshiab, thiab qee cov kav dej kub hauv thaj chaw nyob siv cov kav dej galvanized. . Kub dip galvanized steel kav yog siv dav hauv kev tiv thaiv hluav taws, hluav taws xob, thiab kev loj.