control of main circuit breaker
control of main circuit breaker
主断路器控制
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This article proposes the operating principle and the program block-diagram of the automatic switching control to the main circuit-breaker on board of each powered unit of the train at proper time.
本文介绍了该装置对列车各车组适时进行主断路器自动分合闸控制的工作原理及程序框图。
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