英语词汇“ore grader”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	ore grader
释义	ore grader ore grader [′ȯr ‚grād·ər] (mining engineering) In metal mining, a person who directs the storage of iron ores in bins at shipping docks so that the various grades in each bin will contain approximate percentages of iron.
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