断路器是闭合的还是断开的。

Is the circuit breaker closed or opened?

youdao

本发明涉及具有改进的闭合和闭锁性能的断路器。

The present invention relates to a circuit breaker with improved close and latch performance.

youdao

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.

youdao