起重机安全装置有( )。 A．力矩限制器 B．防风防爬装置 C．_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题多项选择题

起重机安全装置有( )。

A．力矩限制器

B．防风防爬装置

C．安全钩、防后倾装置和回转锁定装置

D．防超越行程的保护

E．危险电压报警器

答案

参考答案：A,B,C,D

填空题

选词填空。

used to, be terrified of, go to sleep, in the end, make a decision,
to one's surprise, even though, no longer, take pride in, give up

1. You are _____a child. Be serious.
2.I often _____ at 11:00 because I have lots of homework.
3. Don't _____ your hope.
4. Are you _____ the movie?
5. My parents _____ everything I do.
6. _____ the princess woke up and got married to the prince. .
7. _____ he is a kind teacher, we are all afraid of him.
8. The woman _____ be a history teacher. Now she's retired.
9. It's hard for me to _____.
10. _____, the boy stole some money from his mother.

判断题

FZy-CTC以TDCS为平台，调度集中为核心，实现运输指挥现代化；以设备自动控制为主，但自动控制优先。