船舶电气与船舶安全

单项选择题

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

相关考题

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