coal effect

英 美
  • 煤炭影响
  • coal n.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤
  • effect n.效应；结果；影响；印象；效果；要旨v.使产生；引起

相关词汇

coalless coal coal and gas dynamic phenomenon coal mine industry's developing coal dressing flotation machine coal-accumulation environment coal seam thickness change belt coal seam bottom water bursting coal mine construction projects coal desulphurization bacterium coal consumption growth surface coal pillar mining under stress
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