对提升机卷筒裂纹原因进行了分析，提出了修理工艺措施。

This paper analyses the reason of hoist drum crack, and puts forward repair technology.

youdao

对提升机卷筒裂纹原因进行了分析，提出了修理工艺措施。

This paper analyses the reason of hoist drum crack, and puts forward repair technology.

youdao