英语词汇“sprengel pump”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	sprengel pump
释义	sprengel pump noun Usage: usually capitalized S Etymology: after Herman J. P. Sprengel : an air pump in which exhaustion is produced by drops of mercury running down a narrow tube and trapping bubbles of gas between them
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