The expansion tank in a diesel engine closed freshwater cooling system is located at _____.

The working cycle of a four－stroke diesel engine consists of four events: （1) compression; （2) expansion; （3) exhaust; （4) suctionThe correct sequence is _____.

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The system will include various _____ such as low tank level alarms and remote operation of tank outlet valves in the events of a fire.

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Many vessels are provided with flume tanks，which also have a dump tank located under the flume tanks. In the event the ship is damaged，you could dump the flume tanks into the dump tank which would （).

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During the diesel engine running, the water level of F.W expansion tank should normally ke

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听力原文：（A) The worker is going up the stairs. （B) The gas tank in the car is full. （C) T

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When checking the liquid level in a tank, you should position yourself _____.A.on the wind

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An alarm device inserted between the deaerating tank and the expansion tank can notify the

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