If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.<br>A:be damaged<br>B:work normally regardless of harmful conditions<br>C:not wok though it is not in a bad condition

If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
A:be damaged
B:work normally regardless of harmful conditions
C:not wok though it is not in a bad condition

出自：海船船员证

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