C 开头单词
coal grinding thbe mill [材料科学]管式煤磨
coal gasification 煤的气化
coal gas 煤气；煤炭气
coal gangue [矿业] 煤矸石
coal formed oil [地球科学]煤成油
coal for gasification [地球科学]气化用煤
coal fired boiler 燃煤锅炉
coal fired 燃煤，燃煤型
coal field [地质] 煤田
coal feeder 给煤机；供煤机；煤浆进料机
coal facepump [机械工程]矿井工作面泵
coal face n. 煤的采掘现场；因开采而露出的煤面
coal exploration 煤田勘探
coal dust ball stove [经济学]煤球炉
coal dust [环境][矿业] 煤尘；煤粉
coal dressing [矿业] 选煤
coal cutter 采煤机；[矿业] 截煤机；切煤机
coal crusher 煤压碎机