问题
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When the dock is refilled with water after docking repair, the first work which should be done by engineers is ____.
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When reentering an engine room that has been flooded with CO2, the investigating team shou
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It is abnormal that when the engine is being turned by the turning gear or by hand, _____.
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When we arrived, we found the meeting room crowded with _______ students.A、quite a fe
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During an engine room watch if immediate action is necessary to ensure safety of the ship
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What is the speed of the crankshaft in a four-stroke/cycle engine when the camshaft is tur