Bearing cover retrofit of axle stretch end for large and medium - sized motor can reduce the damage accident of motor equipment greatly.
通过对大、中型(滚动轴承)电动机轴伸端轴承盖进行改造，可以大大减少电动机设备的损坏事故。
Based on practice, the reasons of large and medium-sized high voltage wound rotor three-phase asynchronous motor rotor failure were expounded, and viable approach was designed.
结合生产实践，系统阐述了大中型高压绕线转子三相异步电动机转子产生故障的原因，并提出了可行的处理方法。
Situation of motor vehicle driving and survey result of traffic in three typical representative Chinese cities Beijing (large), Changchun (medium )and Siping (small )are presented.
介绍了在北京市（大型）、长春市（中型）和四平市（小型）三个具有典型特征的代表城市所做的车辆行驶状况的试验及交通状况的调查结果。
Widely used in large and medium-sized motor pressing, rotor, stator voltage and the stator silicon steel sheet positioning, forming and pressing, pressing, rolling, drawing large objects, forming.
广泛用于大中型电动机压装，提供转子、定子压装及定子矽钢片定位、成型的压装，以及大型物件的压制、压延、拉伸、成型。
Widely used in large and medium-sized motor pressing, rotor, stator voltage and the stator silicon steel sheet positioning, forming and pressing, pressing, rolling, drawing large objects, forming.
广泛用于大中型电动机压装，提供转子、定子压装及定子矽钢片定位、成型的压装，以及大型物件的压制、压延、拉伸、成型。
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