... closed loop traction power control；闭路牵引动力控制 closed main breaker；闭合主断路器 closed main relay；闭合主继电器 ...
基于8个网页-相关网页
闭合主断路器
Close the main circuit breaker
以上为机器翻译结果，长、整句建议使用 人工翻译 。
断路器具有一种新颖的手动操作机构，能确保DW50断路器在主触头闭合时不会再储能，而在主触头断开时能正常储能。
The features, performances and main technical parameters of DW50-1000 were introduced in this paper, especially a new manual operation mechanism of the circuit breaker.
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