In a diesel engine jacket water cooler, with seawater cooling the fresh water, the（）<br>A:sea water temperature must never be warmer than 40℃<br>B:jacket water pressure should always be greater than the sea water pressure<br>C:jacket water temperature must always be less than 60℃<br>D:jacket water pressure must always be less than the sea water pressure

In a diesel engine jacket water cooler, with seawater cooling the fresh water, the（）
A:sea water temperature must never be warmer than 40℃
B:jacket water pressure should always be greater than the sea water pressure
C:jacket water temperature must always be less than 60℃
D:jacket water pressure must always be less than the sea water pressure

出自：海船船员证

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