词汇	plain head lock nut
释义	plain head lock nut 普通头锁止螺母
随便看	self-restraints self-restraint theory self-restraiut and moral education self-restration system self-restrict self-restricting mechanism self-restriction self-restrictive self-restrictive psychonosema self-resuming self-retailing self-retained premium selfretainingabdominalretractor self retaining abdominal retractor Self-retaining anastomosis selfretainingbrainretractor self retaining brain retractor selfretainingcathete self retaining cathete self retaining catheter self-retaining catheter self-retaining clamp self retaining laryngeal mirror self-retaining laryngeal mirror Self-retaining Laryngendoscope