Double cylinder

double cylinder knitting machine

double cylinder slasher

double cylinder synchronism

double lift double cylinder jacquard

double pump

double pump end pump

double slip

pump double acting

pump cylinder

pump cylinder block

pump cylinder head

double blind double dummy

Double blind double dummy randomized controlled clinical trial

Double Chambers and Double Layers

Double chambers double layers floating bed

Double columns and double FIDs

Double frequency pulsation double vertical ring high gradient magnetic separator

double -peak double -wavelength method

double pole double throw