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产生焊接残余应力的主要因素之一是( )

A、钢材的塑性太低

B、钢材的弹性模量太高

C、焊接时热量分布不均

D、焊缝的厚度太小

时间：2021-09-01 21:06 关键词：联大河南城建学院建筑工程技术（高起专）钢结构(高起专)

答案解析

C

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