coal shale

  • 网络煤质页岩;煤矸石

coal shalecoal shale

coal shale

煤质页岩

Dictionary | 行业术语 | Page 5... ... 541 coal rank 煤品级 542 coal shale 煤质页岩 543 coal slack 煤矸石、煤屑 ...

煤矸石

Coal char_翻译 ... 煤燃烧: Coal combustion 煤矸石coal shale 普通煤: raw coal ...

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