YD electrical short - circuit and overload protection, it automatically switches and thermal relay ZK JR guarantee.
电机YD具有短路和过载保护, 它有自动开关ZK和热继电器JR保证.
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Plastic strain mechanism of magnesium alloy is reviewed plastic strain mechanism of ZK 60 at various temperature.
综述了镁合金的几种塑性变形机制,并介绍了ZK60合金在不同温度下的变形机制.
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This paper presents the meaning, chassis design and notices of the development of ZK 6118 HG - LPG city bus.
论述ZK6118HG-LPG城市客车开发的意义 、 底盘设计及注意事项.
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