Test and set switch gear and circuit breaker relays for proper coordination.
对开关柜、断路器继电器的配位是否正确进行测试并设置。
To determine the arrangement of hardware, in particular a manually set switch.
判定硬件的设置，特别是人工设定开关的状态。
To determine the arrangement of hardware, in particular a manually set switch.
判定硬件的设置，特别是人工设定开关的状态。
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