英语词汇“bar test survey”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	bar test survey
释义	bar test survey bar test survey [′bär ‚test ′sər‚vā] (engineering) A leakage survey in which bar holes are driven or bored at regular intervals along the way of an underground gas pipe and the atmosphere in the holes is tested with a combustible gas detector or such.
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