differential heat treatment method
differential heat treatment method
差动热处理法
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Comparing with former oil - cooling process, the differential heat treatment method can obviously improve the comprehensive properties of this kind of rotor.
与原油冷工艺相比，差异热处理方法明显改善了转子的综合性能。
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