英语词汇“grass-roots mining”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	grass-roots mining
释义	grass-roots mining grass-roots mining [′gras ‚rüts ′mīn·iŋ] (mining engineering) Also known as mining on a shoestring. Inadequately financed mining operation, with catch-as-catch-can practices. Mining from surface down to bedrock.
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