英语词汇“coal preparation, coal cleaning”的翻译、意思、用法、释义-英汉汉英双解词典-良福网

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词汇	coal preparation, coal cleaning
释义	coal preparation, coal cleaning 选煤；曾称“洗煤”。将采出的煤经人工和机械处理除去非煤物质，并按需要分成不同质量、规格产品的过程。分“干法选煤dry coal preparation”和“湿法选煤wet coal preparation”。
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