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提升钢丝绳一般都是( )结构

A、丝-股-绳

B、丝-小绳-绳

C、丝-绳

D、丝-股-小绳-绳

时间：2021-09-01 22:23 关键词：青书学堂河南工学院机械原理(高起专) 桂林理工大学机电一体化技术高起专机械设计基础

答案解析

A

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