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Which of the following statements is correct concerning a typical shipboard multi-coil refrigeration system?（）
A:The liquid receiver functions to collect and remove non-condensable gases
B:A thermostatic expansion valve is used to control refrigerated space temperature
C:Refrigerant temperature in an evaporator is directly related to refrigerant pressure
D:Dehydrators must be used continuously in a refrigeration system

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出自：海船船员证

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