单选题升高度限位器:限制吊钩组合进入吊臂头部是由()来限制的。A断电开关装置B液压限制装置C差动型限位装置D刹车限位装置
单选题
升高度限位器:限制吊钩组合进入吊臂头部是由()来限制的。
A
断电开关装置
B
液压限制装置
C
差动型限位装置
D
刹车限位装置
参考解析
解析:
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