词汇	工作筒
释义	工作筒 seating nipple
随便看	perforation equipment Perforation,Esophageal perforation field perforation-flow efficiency perforation fluid perforation fracture perforation friction perforation ga perforation gauge perforation ga u ge perforation gauges perforation gun perforation ignition perforation injure perforation interval Perforation,Intestinal perforation length perforation location perforation method perforation method by rebuilding pump chamber perforation of articular disc perforation of bacterial disease perforation of bile duct Perforation of bladder Perforation of cardiac device