词汇	stepped piston
释义	stepped piston 级形活塞,差动活塞
随便看	doyennes Doyennette doyen of a diplomatic corps doyen of diplomatic corps Doyen operation Doyen ovarian forceps Doyen perineum needle Doyen post nasal cutting forceps Doyen post nasal forceps Doyen raspatory for palate operations Doyen reamer Doyen retractor support Doyen rib raspatory Doyen rib shears doyens Doyen's abdominal retractor Doyen's abdominal scissors Doyen's aneurysm needle Doyen's artery forceps Doyen Sauerbruch rib raspatory Doyen-Sauerbruch rib raspatory Doyen's bladder retractor Doyen's clamp Doyen's clamp Doyen Doyen's compass for measuring cerebral lesions