问题
问答题
为什么内齿轮绞车滚筒边缘高出最外一层钢丝绳不得小于20mm？
答案
参考答案：若内齿轮绞车滚筒边缘高出最外一层钢丝绳小于20mm，绞车在运行过程中，钢丝绳跳动会造成脱圈卡绳事故。
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为什么内齿轮绞车滚筒边缘高出最外一层钢丝绳不得小于20mm？
参考答案：若内齿轮绞车滚筒边缘高出最外一层钢丝绳小于20mm，绞车在运行过程中，钢丝绳跳动会造成脱圈卡绳事故。
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