题目内容

他们的主机有问题。

A. They have problems with auxiliary engine.
B. They have problems with main engine.
C. They have problems with bilge pump.
D. They have problems with ballast pump.

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更多问题

A. Fuel oil.
B. Lube oil.
Cooling water.
D. Power supply.

A. To stop the main engine.
B. To start the stand-by pump.
C. To repair the stand-by pump.
D. To replace the stand-by pump.

A. To start the main engine.
B. To start the stand-by pump.
C. To stop the main engine.
D. To stop the stand-by engine.

A. Two generators have stopped function.
B. One generator wears out.
C. Breakdown of one generator.
D. Unknown reasons.