滑轮组穿绕跑绳的方法有( )。A.多抽头穿 B.双抽头穿 C.花穿 D.顺穿 E.逆穿

作者: rantiku 人气: - 评论: 0
问题 滑轮组穿绕跑绳的方法有( )。
选项 A.多抽头穿 B.双抽头穿 C.花穿 D.顺穿 E.逆穿
答案 BCD
解析 滑车组穿绕跑绳的方法有顺穿、花穿、双抽头穿法。当滑车的轮数超过5个时,跑绳应采用双抽头方式。若采用花穿的方式,应适当加大上、下滑轮之间的净距。

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