The failure copper pipe was inspected by chemical composition analysis, mechanical performance testing, SEM and Energy spectroscopy.
对该铜管进行了化学成分、力学性能以及扫描电镜和能谱分析等试验。
According to the result of mechanical performance testing, the research focused on specimens that had been added class a rare earth alloy.
根据力学性能测试的结果，最终确定对添加A类稀土合金的材料进行进一步的研究。
According to the result of mechanical performance testing, the research focused on specimens that had been added class a rare earth alloy.
根据力学性能测试的结果，最终确定对添加A类稀土合金的材料进行进一步的研究。
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