Rp0.2代替Rt0.5进行管线钢屈服强度测量的可行性研究
Rp0.2대체Rt0.5진행관선강굴복강도측량적가행성연구
Study on the Feasibility of Using Rp0.2 Instead of Rt0.5 to Measure the Yield Strength of Pipeline Steel
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