逆流接触

【机】 countercuttent contact

逆流的英语翻译：

adverse current; countercurrent; backwash; eddy; refluence; reflux
【化】 counter-current flow
【医】 anarrhea

接触的英语翻译：

contact; contiguity; get in touch with; meet; osculate; osculation; tangency
touch
【医】 c.; contact; contiguity; hapt-; hapto-; per contiguum; taction; tactus
touch