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Fuel oil transfer systems used onboard diesel propelled vessels are required to have （）.
A:two fuel oil transfer pumps provided where one is to be independent of the main engine
B:two fuel oil transfer pumps, with a combined capacity exceeding the maximum consumption of the main engine
C:engine driven transfer pumps and only used in constant speed applications
D:the capacity of the engine driven pump exceed the consumption rate of the engine to which it is attached

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出自：海船船员证

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