Fhe wear resistance of metal material can be greatly improved by a cryogenic treatment.
深冷处理能很大地提高金属材料的耐磨性。
The aircraft power system installed at fhe top machines, compact structure, ease of maintenance;
动力系统安装在机器的顶部，结构紧凑，便于维修；
Fhe pattern provides good guide property and control ability, good wear resistance, long service life.
花纹具有良好的导向性能和操纵性能。耐磨性能好。使用寿命长。
Fhe pattern provides good guide property and control ability, good wear resistance, long service life.
花纹具有良好的导向性能和操纵性能。耐磨性能好。使用寿命长。
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