A. Every crew member in the engine room is awaiting orders. B. The second engineer is going to secure all the ventilators. C. The third engineer is going to cut off oil supply. D. The fourth engineer is going to stop boilers.
A. He was injured by a wood block. B. He fell from the crane and was injured. C. He was unconscious. D. He was dead on the spot.
A. Start the stand-by generator. B. Start all the running machines. C. To seal off boilers. D. Open the inlet valve.
A. 进油节流 B. 回油节流 C. 旁路节流
A. 可以 B. 不可以 C. 看情况而定
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