Which of the fluids listed is normally used to condense the primary refrigerant in a shipboard central air conditioning system?（）<br>A:Air or Nitrogen<br>B:Seawater or Fresh water<br>C:Sodium Nitrate brine<br>D:Calcium Sulfate brine

Which of the fluids listed is normally used to condense the primary refrigerant in a shipboard central air conditioning system?（）
A:Air or Nitrogen
B:Seawater or Fresh water
C:Sodium Nitrate brine
D:Calcium Sulfate brine

出自：海船船员证

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