coalizev.加入联盟coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal milling system制粉系统coal feeding system喂煤系统coal gas components煤气成分coal-tar compound[医] 煤焦油化合物coal mine machinery煤矿机械coal measure strata煤系地层coal classification煤的分类Coal to water ratio燃水比coal burhing boiler燃煤锅炉coal dust ball stove煤球炉

1. More attention must be paid to reducing sulfur dioxide.The desulfuration of machines powered by coal will be speeded up.
   重视二氧化硫的削减问题，加快推进燃煤机组脱硫。