单选题In a diesel engine jacket water cooler, with seawater cooling the fresh water, the（）Asea water temperature must never be warmer than 40℃Bjacket water pressure should always be greater than the sea water pressureCjacket water temperature must always be less than 60℃Djacket water pressure must always be less than the sea water pressure
单选题
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
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