inferior coal
短语词组
- inferior coking coal 结焦性差的煤
- inferior bituminous coal 劣质烟煤
- inferior coal burning 燃烧劣质煤
- burning of inferior coal 燃烧劣质煤
- boiler using inferior coal 劣质煤锅炉
- Inferior coal boiler 劣质煤锅炉
- inferior pulverized -coal ash 劣质粉煤灰
- Inferior Coal Project in Huangshi 黄石劣质煤项目 返回 inferior coal