磨机正常情况下的停车顺序是,()后停,()先停。
参考答案:先开的设备;后开的设备
(2013·安徽安庆三模)The two countries agreed to ________ their differences and work together for peace, which has a positive effect on the international situation.
A.set down
B.set out
C.set aside
D.set about
对于一般的轴,直径减小量不得超过基本尺寸的()%。
A、5—10
B、10—15
C、15—20
D、20—25