high bituminous coal
短語(yǔ)詞組
- high sulfur bituminous coal 高硫煙煤
- high volatile bituminous coal 高揮發(fā)性瀝青煤;氣煤;焰煤;長(zhǎng)焰煤
- high rank bituminous coal 高級(jí)煙煤
- high volatile bituminous coal a 氣煤
- high volatile bituminous coal c 焰煤
- high volatile bituminous coal b 長(zhǎng)焰煤;長(zhǎng)焰炭
- high -volatile A bituminous coal 高揮份A級(jí)煙煤 返回 high bituminous coal