air conditioner refrigerant
alternative refrigerant
制冷剂替代物
制冷替代工质
制冷剂替代
替代制冷剂
替代制冷工质
R12替代物
新工质
工质替代
替代工质
替代制剂
工质
替代制冷制
替代物
alternative refrigerant HFC-161
ammonia refrigerant centrifugal compressor
azeotropic mixture refrigerant
CFCs alternative refrigerant
chlorinated hydrocarbon refrigerant
chlorocarbon refrigerant
chlorofluorocarbon refrigerant
circulating refrigerant
CO2 as a secondary refrigerant
contaminated refrigerant
delivery line refrigerant velocity