英语词汇“sumper”的读音、翻译、释义、用法及例句-开邑网

词汇	sumper
释义	sumpersumper[ˈsʌmpə]n.1.■井筒中心炮眼
随便看	slide rest slide rest of compound type slider grinder slide rheostat slider locking pin slide rod slide-roll ratio slide round slider resistance slider-rocker mechanism slider rod slider shunt slider type rheostat slide rule slide rule diagram slide sample valve slide saw slide scale slide scanner slide screw tuner slide screw turner slide seal coupling slide-seal selfsealing coupling slide shaft slide shear blade

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