齿轮传动检查侧隙的方法可采用()和()。
参考答案:压铅丝;百分表
Filled with anger, he didn’t shout or swear, but just ________ silently at me.
A.glared
B.saw
C.looked
D.glanced
费用偏差值为正表示()。
A.费用平衡
B.费用节约
C.费用超支
D.进度拖后