分析了工厂网带炉条件下淬火织针表面硬度不足的原因。
Analyse the reason that surface hardness of quench needle is not enough under original production technology circumstance of factory.
分析了工厂网带炉条件下淬火织针表面硬度不足的原因。
Analyse the reason that surface hardness of quench needle is not enough under original production technology circumstance of factory.
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