A ground in an electrical circuit outside the engine room （）.<br>A:cannot be detected tinder normal conditions<br>B:is of no consequence to engineering personnel<br>C:is indicated at the branch circuit breaker panel<br>D:is indicated by the ground detecting lamps on the main switchboard

A ground in an electrical circuit outside the engine room （）.
A:cannot be detected tinder normal conditions
B:is of no consequence to engineering personnel
C:is indicated at the branch circuit breaker panel
D:is indicated by the ground detecting lamps on the main switchboard

出自：海船船员证

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