backup ring〔名词〕挡圈详细»
挡圈distance ring;retaining ring详细»
挡圈antiextrusion ring;baffle;retaining ring;thackeray washer详细»
挡圈back up ring;backup ring;detachable endless flange;retainer ring;retaining ring;sprag;yoke seal详细»
挡圈antiextrusion ring;check ring;check rod;retainer ring;shield ring详细»