piston pin locking screwpiston pin set screw活塞销: wrist pin锁紧螺钉: lock-screw活塞销锁盖: piston pin cap活塞销锁环: piston pin lock ring; piston pin retaining ring活塞销锁圈: piston pin snap ring下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:活塞销锁紧螺钉，即可在微信中查询翻译
