【建】 counter-current multiple contact
adverse current; countercurrent; backwash; eddy; refluence; reflux
【化】 counter-current flow
【医】 anarrhea
【计】 many stages; multiclass; multistep
contact; contiguity; get in touch with; meet; osculate; osculation; tangency
touch
【医】 c.; contact; contiguity; hapt-; hapto-; per contiguum; taction; tactus
touch
handle; manipulate; operate
【计】 FUNC; O; OP
【化】 manipulation
【医】 procedure; technic; technique
【经】 operation