含内部短路环的磁铁能有效防止失真情形。
Magnets with internal short-circuit rings prevent distortion very effectively.
变压器内部短路故障发生的原因主要是变压器内部的绝缘失效。
Transformers do suffer from the internal short-circuit faults mainly due to internal insulation failure.
在机修厂中，应该检查有没有因为受潮造成造成电机内部短路或者接地。
In the shop, the motor should be checked for any short circuits or grounding caused by moisture.
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