【機】 aperture of oil chamber

油的英語翻譯：

paint; fat; grease; oil
【化】 oil
【醫(yī)】 elaeo-; eleo-; oil; Ol; olea; oleo-; oleum

膛的英語翻譯：

chamber; chest
【化】 barrel

口的英語翻譯：

cut; gob; jaws; mouth; opening; ostium; scoop; stoma
【醫(yī)】 aditus; apertura; aperturae; aperture; bouche; introitus; meatus; mouth
opening; ora; orifice; orificium; oro-; os1; ostia; ostium; portal
stoma; stomata; stomato-; trema