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问题 问答题 简答题

为什么使用完绞车要将开关停电闭锁？

答案

参考答案：

使用完绞车要将开关停电闭锁，以防止因误操作导致设备损坏或发生伤人事故。

补全对话，情景问答
Read and match.
( )1. Excuse me, where is Lucy?
( )2. Who's that girl?
( )3. Where is she from?
( )4. What's that?
( )5. What's your name?
( )6. Where is my key?		A. She is my friend Jane.
B. It's a dove.
C. My name is Jack.
D. It's on your ned.
E. She is from Britain.
F. She is in our classroom.
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单项选择题

饰面板安装工程后置埋件的现场（）强度必须符合设计要求。

A.拉拔

B.拉伸

C.抗压

D.抗剪
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