英语词汇“tracer gas”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	tracer gas
释义	tracer gas tracer gas [′trā·sər ‚gas] (engineering) In vacuum testing for leaks, a gas emitting through a leak in a pressure system and subsequently conducted into the detector.
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