题型:填空题 下列关于深基坑支护结构中的钢管支撑陈述不正确的是()。A.单根钢管支撑承载力不足时,可用两根钢管并用B.为增大对撑钢管的间距,可在端部加设琵琶撑C.为满足角撑之间较大间距的要求,可增设腹杆形成桁架式支撑D.钢管支撑只适用于钢筋砼围檩 查看答案
题型:填空题 The operation of the storage,processing and assembling of the bonded goods and consignment sales should be approved by and registered()the Customs. A.ForB.byC.fromD.With 查看答案