【化】 mixing screw conveyer
mix; paddle
and; draw; gentle; kind; mild; harmonious; mix with; sum; summation
together with
【计】 ampersand
【医】 c.; cum
helix; screw; spiral; spire; volution
【化】 helix
【医】 coil; coiling; helico-; screw; spiral; spiro-; tirefond
【医】 carrier