单选题If the beacon is mounted at a wrong place, it may()by sea water, chemicals, exhaust and vibrations.Abe damagedBwork normally regardless of harmful conditionsCnot wok though it is not in a bad condition

单选题
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


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