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STA Home Natural Gas Pipeline Fire Gas Pipeline Tshwj Xeeb Brass Gas Ball Valve Kub ntau yam, txoj kev teeb tsa
Gas pob valve yog hom valve, nrog rau kev tsim tshwj xeeb uas tuaj yeem hloov kho kom zoo dua rau qhov chaw ua haujlwm ntawm cov kav dej.Nws yog feem ntau siv nyob rau hauv cov roj kis tau tus mob thiab tswj tshuab.
Cov hauv qab no yog cov khoom piav qhia thiab daim ntawv thov teb ntawm cov roj pob li qub
