【单选题】在土方工程中,对于大面积场地平整、开挖大型基坑、填筑堤坝和路基等,宜优先选择的土方机械为()。
【判断题】在浇筑地下室结构时如要换撑,亦需底板、楼板的混凝土强度达到不小于设计强度的80%以后才允许换撑。
【判断题】铲运机能完成铲土、运土、平土、填土等全部土方工程,在土方工程中常应用于大面积场地平整、开挖大基坑等工程。( )
【简答题】Jack is an able(能干的)worker.He can do all the work in the factory and often helps his boss(老板),Mr. King.So his boss likes him and he gets much money.But he likes drinking and spends most money on drink...
【简答题】阅读理解。 Jack is an able (能干的) worker. He can do all the work in the factory and often helps his boss (老板), Mr King. So his boss likes him and he gets much money. But he likes drinking and spends most mo...
【单选题】在土方工程中,( )常应用于大面积场地平整,开挖大型基坑、填筑堤坝和路基等,最适宜于开挖含水量不超过27%的松土和普通土。
【单选题】在土方工程中,( )常应用于大面积场地平整、开挖大型基坑、填筑堤坝和路基等,最适宜于开挖含水量不超过27%的松土和普通土。