英语词汇“waste rock”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	waste rock
释义	waste rock waste rock [′wāst ‚räk] (mining engineering) Valueless rock that must be fractured and removed in order to gain access to or upgrade ore. Also known as muck; mullock.
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