采用窄间隙埋弧焊焊接2.25Cr-1Mo-0.25V钢的试验及应用研究
채용착간극매호한한접2.25Cr-1Mo-0.25V강적시험급응용연구
The Experiment and Application Study for 2.25Cr-1Mo-0.25V Steel by Narrow Submerged Arc Welding
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