在绘制钢筋布置图时,为了便于加工,应画出()以表示各种钢筋的形状和尺寸。
A、相同钢筋的大样图
B、每种钢筋的式样简图
C、各构件的配料单
D、受力钢筋的详图
参考答案:B
On the morning of November 1st, 2,011, the scientists were seated at tables and had their eyes _____ on
the scene of the launch of the Shenzhou VIII spaceship. [ ]
A. fixed
B. fix
C. fixing
D. being fixed
导致不孕的卵巢因素有()。
A.精神性厌食
B.垂体性闭经
C.多囊卵巢综合征
D.卵巢子宫内膜异位症
E.子宫内膜分泌反应不良