英语词汇“pneumatic tube”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	pneumatic tube
释义	Definition of pneumatic tube in English: pneumatic tube noun historical A tube used for conveying letters, parcels, etc., in pneumatic dispatch. Origin Mid 19th century; earliest use found in The Times. Definition of pneumatic tube in US English: pneumatic tube noun historical A tube used for conveying letters, parcels, etc., in pneumatic dispatch. Origin Mid 19th century; earliest use found in The Times.
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Definition of pneumatic tube in English: