![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
[主观题]
起重机制动器的制动鼓表面磨损达到()或制动带磨损超过原厚度()时,应予更换。
A.1.0mm~1.5mm,50%
B.1.5mm~2.0mm,50%
C.1.5mm~2.0mm,60%
D.2.0mm~2.5mm,60%
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
A.1.0mm~1.5mm,50%
B.1.5mm~2.0mm,50%
C.1.5mm~2.0mm,60%
D.2.0mm~2.5mm,60%
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