英语词汇“microseismic instrument”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	microseismic instrument
释义	microseismic instrument microseismic instrument [¦mī·krə¦sīz·mik ′in·strə·mənt] (mining engineering) An instrument for the study of roof strata and supports; it is inserted in holes, drilled at selected points, for listening to subaudible vibrations that precede rock failure.
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