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问题详情

The bearing of tailshaft sealing equipment, which adopting the oil nature circulation is hot, the reason is（）

A、the rotate speed fluctuation

B、the ventilation tube clogged

C、the main engine accelerate so fast

D、stormy wave

时间：2021-12-31 19:33 关键词：船舶电气与船舶安全

答案解析

B

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