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焊接部位的应力幅计算公式为

单选题
2021-07-17 23:39
A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/487c39e1-422e-4aec-8fd1-2673e4499df9.jpg"title="ex_1301400387395_0.jpg" alt="ex_1301400387395_0.jpg"/>
B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/475f0df8-14c5-490a-8730-7181d77f3590.jpg"title="ex_1301400393939_0.jpg" alt="ex_1301400393939_0.jpg"/>
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/e12df18f-c32e-46fb-a210-7d3986861d90.jpg"title="ex_1301400401186_0.jpg" alt="ex_1301400401186_0.jpg"/>
D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/5b5b3134-effe-4c29-8d91-04aa52955419.jpg"title="ex_1301400408722_0.jpg" alt="ex_1301400408722_0.jpg"/>
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正确答案
B
试题解析
标签： 道路桥梁与渡河工程 专升本 结构设计原理 2020年第二学期补考 道路桥梁工程技术 高起专
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