防裂构造网片是干什么用的，配筋如何？
参考答案：在保护层过大时防止产生裂缝而采用，配筋为φ4@150或φ6@150，锚入相邻构件内不小于150mm。
She was ______ good terms with her twin sister, because they were two of a kind. In other words, they were identical ______ each other.
A．in; to
B．in; with
C．on; with
D．on; to
从图解法求得的离心泵装置的工况点来看，如果水泵装置在运行中，管道上所有闸门全开，那么，水泵的特性曲线与管路的特性曲线相交的点M点就称为该装置的（）。
A.极限工况点
B.平衡工况点
C.相对工况点
D.联合工况点
