研磨机控制电源关闭时,决不允许转动(),在电源关闭时转动联轴器会改变滚筒间隙调节参考点。
参考答案:滚筒调节联轴器
—How do you like your trip to Hainan?
—_____ , I enjoyed it very much,although the weather was unpleasant sometimes.[ ]
A. In addition
B. On the whole
C. In other words
D. On the other hand
通常情况下,企业的利润是指在()范围内的经营成果。
A、一季度
B、一年
C、一定的会计周期
D、一个月