A convex-shaped projection (26) extends from the lower plate and engages an articular surface defined by a concave recess (28) formed in the upper plate.
一凸形突起物（26）延伸自下板，并接合一关节表面，该关节表面由在上板中形成的一凹入凹处（28）所限定。
The current-conducting plate is overlapped on the upper surface of the diaphragm body and provided with a plurality of openings.
第一导电板，该第一导电板迭设于所述薄膜主体的上表面上，且具多个开口；
The base plate has on an upper surface thereof a patterned rib unit.
底座板在其上表面具有带花纹的肋单元。
The base plate has on an upper surface thereof a patterned rib unit.
底座板在其上表面具有带花纹的肋单元。
应用推荐