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问题详情

直径为Φ20的钢筋其在受拉区( )区段范围内焊接接头数目不超过总数50%。

A、500mm

B、600mm

C、700mm

D、1000mm

时间：2021-07-17 23:36 关键词：工程管理专升本建筑施工技术与组织 19级补考 2020年第二学期补考期末考试

答案解析

C

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