绘制钢筋布置图时,在断面图中()的钢筋应画成圆形黑点。
A、直径较大
B、直径较小
C、被剖面位置切开
D、被外墙体遮盖
参考答案:C
_____ to make a speech, he said he would be glad to.
A.When asked
B.When asking
C.When he was asking
D.When to ask
要经常检查胶体磨地脚螺栓有无松动,小型胶体磨的地基是否平整。