H20 Cav Ntoo Nqaj Slab Formwork
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H20 Cav Ntoo Nqaj Slab Formwork
Cov ntaub ntawv formwork yog hom formwork uas siv rau hauv pem teb nchuav, siv dav hauv tsev siab, cov qib ntau dua thiab lwm yam.
Cov ntaub ntawv formwork yog hom formwork uas siv rau hauv pem teb nchuav, siv dav hauv tsev siab, cov qib ntau dua thiab lwm yam.