seal with annular groove槽: trough; manger油封: grease seal; oil seal油封: [机械工程] grease seal; oil seal开槽油环: channel oil ring; channeled oil ring; slotted oil control ring湿油槽油雾: wet sump mist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:槽油封，即可在微信中查询翻译
