bituminous coal
短语词组
- bituminous soft coal act 菸煤法
- bituminous brown coal 瀝青質褐煤;瀝青煤
- bituminous lump coal 菸煤塊
- bituminous s coal 菸煤;瀝青煤
- low volatile bituminous coal 低揮發分菸煤;低揮發蒸汽煤
- high bituminous coal 高菸煤;高瀝青煤
- lower bituminous coal 低瀝青煤;低菸煤
- bituminous coal fines 菸煤細粉 返回 bituminous coal