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The second stage feed-water temperature and shell absolute pressure in a multistage, flash type, distilling plant is （）
A:higher than the first stage feed-water temperature and absolute shell pressure
B:lower than the first stage feed-water temperature and absolute shell pressure
C:the same as the first stage feed-water temperature and absolute shell pressure
D:not related to the feed-water temperature and absolute shell pressure

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出自：海船船员证

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