短语
逆流回流
reflux
;
backflow
;
return flow
回流逆流
back flow
;
reflux
;
reflow
逆流式回热器
contraflow regenerator
逆流回热器
contra-flow regenerator
逆流、回流
Reflux
回流、逆流
reflux
回弹式逆流阀
recoil type reflux valve
回收逆向物流
recycling reverse logistics
;
recovery reverse logistics