进行制动机实验时，手信号显示用检查锤作圆形转动表示（）_爱下问搜题

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问题填空题

进行制动机实验时，手信号显示用检查锤作圆形转动表示（）

答案

参考答案：试验完了

选择题

We ______ a pleasant journey but for the rain. [ ]

A. would have

B. will have

C. had had

D. would have had

问答题论述题

简述减刑的概念和条件。