key seat knocker键槽: keyslot; keyway; key-seating ...震: quake; shake; shock; vibrate击: beat; hit; strike器: implement; utensil; ware震击器: bumper jar; jar (drilling jar)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:键槽震击器，即可在微信中查询翻译
