双工质循环
binary cycle
binary fluid cycle
twin work substance circle
化工循环水
Chemical circulating water
燃料循环工业
Nuclear fuel cycle industry
水溶液全循环工艺
water solution full circulation process
污水源热泵工质
working fluid of urban sewage heat pump
新型中高温热泵工质
Moderate and high temperature heat pump working fluid
循环工业发展评价
cycle industrial evaluation