Cov Qauv Phab Ntsa Hlau
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Cov Qauv Phab Ntsa Hlau
Cov hlau formwork yog ib qho tseem ceeb hauv cov haujlwm tsim kho, ua lub luag haujlwm tseem ceeb hauv kev ua kom zoo, txhim kho kev ua haujlwm zoo, thiab txo cov nqi. Nws muaj plaub hom tseem ceeb: cov formwork tiaj tus, cov formwork beam, cov formwork kem, thiab cov formwork zoo li tus kheej.