This method is safe, economical and easy to adopt with conventional heat treating equipment. Applied to some dies and easily worn-off parts, it can prolong their service life to a great extent.
应用此法于模具和某些易磨损机件上可较大地提高机件的使用寿命，且方法本身安全、经济，在一般的热处理设备条件下即能进行。
This method is safe, economical and easy to adopt with conventional heat treating equipment. Applied to some dies and easily worn-off parts, it can prolong their service life to a great extent.
应用此法于模具和某些易磨损机件上可较大地提高机件的使用寿命，且方法本身安全、经济，在一般的热处理设备条件下即能进行。
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