英语词汇“trunk roadway”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	trunk roadway
释义	trunk roadway trunk roadway [′trəŋk ′rōd‚wā] (mining engineering) The main developing heading from the pit bottom and is usually driven along the strike of the coal seam.
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