英语词汇“main-and-tail haulage”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	main-and-tail haulage
释义	main-and-tail haulage main-and-tail haulage [′mān ən ′tāl ′hȯl·ij] (mining engineering) A single-track haulage system that is operated by a haulage engine with two drums, each with a separate rope.
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