闭合循环 meaning in Chinese

closed-cycle
recirculation

The plants using a closed-circuit water system will usually require some means of treatment of excess water .
使用闭合循环水系的工厂，通常需要以某些方法处理过剩的水。
Standard practice for contact closure cycling of a membrane switch
薄膜开关接触闭合循环的标准实施规程
Ground source closed - loop heat pumps
地热源闭合循环热泵
Application of closed recirculating aquaculture technique to seed rearing of epinephelus fuscoguttatus
闭合循环水工艺在褐点石斑鱼苗培育中的应用研究