bituminous coal
短語詞組
- bituminous soft coal act 煙煤法
- bituminous brown coal 瀝青質(zhì)褐煤;瀝青煤
- bituminous lump coal 煙煤塊
- bituminous s coal 煙煤;瀝青煤
- low volatile bituminous coal 低揮發(fā)分煙煤;低揮發(fā)蒸汽煤
- high bituminous coal 高煙煤;高瀝青煤
- lower bituminous coal 低瀝青煤;低煙煤
- bituminous coal fines 煙煤細(xì)粉 返回 bituminous coal