The reason of heterogeneous quenching hardness and distortion was analyzed from second shortcoming of tap water.

分析了自来水第二大缺点引起淬火硬度不均和畸变的原因。

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The reason of heterogeneous quenching hardness and distortion was analyzed from second shortcoming of tap water.

分析了自来水第二大缺点引起淬火硬度不均和畸变的原因。

youdao