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A vessel is proceeding from a very cold climate to a warm climate.With a cargo of non-hygroscopic nature，which of the following is correct?（）.
A:There is danger of heavy cargo sweat if outside air is introduced by ventilation
B:Danger of the ship sweat exists.Constant and vigorous ventilation is required
C:There is little danger of ship's sweat;slight possibility of cargo sweat
D:The possibility of any ship or cargo sweat is remote

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出自：海船船员证

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