coalbinn.煤箱
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal mine waste area煤矿废弃地
coal level detection煤位检测
coal control pattern控煤模式
coal or gas outburst煤与瓦斯突出
coal selection plant选煤厂
Coal mine subsidence采煤塌陷地
coal capital control煤帮控制
coal mine automation煤矿自动化
coal rock reservoirs煤岩储集层
Coal tar preparation煤焦油制剂