英语词汇“coal-rich zone, enrichment zone of coal”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	coal-rich zone, enrichment zone of coal
释义	coal-rich zone, enrichment zone of coal 富煤带；煤田或煤产地内煤层相对富集的地带。用煤层厚度表示。
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