inferior coal
短语词组
- inferior coking coal 結焦性差的煤
- inferior bituminous coal 劣質菸煤
- inferior coal burning 燃燒劣質煤
- burning of inferior coal 燃燒劣質煤
- boiler using inferior coal 劣質煤鍋爐
- Inferior coal boiler 劣質煤鍋爐
- inferior pulverized -coal ash 劣質粉煤灰
- Inferior Coal Project in Huangshi 黃石劣質煤項目 返回 inferior coal