英语词汇“pistonphone”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	pistonphone
释义	pistonphone pistonphone [′pis·tən‚fōn] (engineering acoustics) A small chamber equipped with a reciprocating piston having a measurable displacement and used to establish a known sound pressure in the chamber, as for testing microphones.
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