【电】 residual screw
residue; leavings; overmeasure; overplus; remain; remainder; remnant; spare
surplus
【医】 R.; residue; residuum; rest; vestige; vestigium
【经】 overplus
helix; screw; spiral; spire; volution
【化】 helix
【医】 coil; coiling; helico-; screw; spiral; spiro-; tirefond