H20 Cav Ntoo Beam Phab Ntsa Formwork
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H20 Cav Ntoo Beam Phab Ntsa Formwork
Cov qauv phab ntsa muaj cov ntoo H20, cov hlau ntsa thiab lwm yam khoom sib txuas. Cov khoom no tuaj yeem sib sau ua ke cov vaj huam sib luag formwork hauv ntau qhov dav thiab qhov siab, nyob ntawm qhov ntev ntawm H20 beam txog li 6.0m.