coal oiln.煤油;煤馏油
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal ash-fusion temperature灰熔点
coal firing hot-blast stove燃煤热风炉
Coal-generated hydrocarbons煤成烃
Coal Feed Flow Control Valves煤流量控制阀
coal cutting under the rivers“三下”采煤
coal-storing pit supporting受煤基坑支护
coal-sand dual media filter煤砂双层滤料滤池
coal deterioration regulation煤变质规律