英语词汇“underchain haulage”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	underchain haulage
释义	underchain haulage underchain haulage [¦ən·dər¦chān ′hȯl·ij] (mining engineering) Haulage in which the chains are placed beneath the mine car at certain intervals with suitable hooks that thrust against the car axle.
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