1 layer of 0.25mm thick polythene sheeting laid with double welded lolds on lean concrete to receive concrete bed (measured nett - no allowance made lorlaps) to floor slab5个回答 1层为0.25mm厚的聚乙烯薄膜铺设在贫混凝土双面焊lolds收到具体的床(净价计算 - 并无作出拨备lorlaps)以楼板2013-05-...
a1 layer of 0.25mm thick polythene sheeting laid with double welded lolds on lean concrete to receive concrete bed (measured nett - no allowance made lorlaps) to floor slab 1层数0.25mm厚实聚乙稀覆盖放置与双重被焊接的lolds在精瘦的混凝土接受具体床 (被测量的nett -没有做难倒) 平板的lorlaps的...