词汇“sumper”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	sumper
释义	sumpersumper[ˈsʌmpə]n.1.■井筒中心炮眼2.■底部[板]炮眼3.■对角向炮眼
随便看	roofing paper roofing sheet roofingtile roofing washer roof insulation roof jack roofless rooflet roof light roof lining roofloy rooflygonal roof roofman roof manway roof pendant roof-pinning jumbo roof sheet splice tee roof shield roof spalling roof-spotter roofstay roof stringers roof supports roof tank system water supply apparatus roof-to-floor convergence

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