英语词汇“multiple-entry system”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	multiple-entry system
释义	multiple-entry system multiple-entry system [′məl·tə·pəl ′en·trē ‚sis·təm] (mining engineering) A system of access or development openings generally in bituminous coal mines involving more than one pair of parallel entries, one for haulage and fresh-air intake and the other for return air.
随便看	ndpsa ndpsc ndpsm ndps manager ndpt ndpta ndptf ndptsp ndpu ndpv ndpvf ndpw ndq ndqa ndqar ndqcl ndqha ndqhra ndqia ndqr ndr ndr1 ndr1 protein kinase ndra ndram

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