采用化学分析、金相检验、光谱分析等方法对20钢轴套的自由锻件表面产生的龟裂进行了分析。
The surface craze of 20 steel axle sleeve in free forging was analyzed by chemical , spectrum and miscrostructure analysis.
采用化学分析、金相检验、光谱分析等方法对20钢轴套的自由锻件表面产生的龟裂进行了分析。
The surface craze of 20 steel axle sleeve in free forging was analyzed by chemical , spectrum and miscrostructure analysis.
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