英语词汇“cross heading”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	cross heading
释义	cross heading cross heading [′krȯs ‚hed·iŋ] (mining engineering) Mine passage driven for ventilation from the airway to the gangway, or from one breast through the pillar to the adjoining working. Also known as cross gateway; cross hole; headway.
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