应均匀地对整体材料进行热处理，而不可以仅针对材料的一部分。
Heat treatment shall be carried out uniformly over the whole material and never on a part of the material only.
热处理压铸是不可能的，但由于高利率凝固的力学性能主流是好的。
Heat treatment of pressure die casting is not possible but due to the high rate of solidification the mechanical properties are good.
热处理工艺是齿轮加工行业中必不可少的工艺。
The heat-treat technology is an essential one in the gear processing industry, and multi-purpose is optimal for heat-treat technology.
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