短語詞組短語powdered d coal 粉煤powdered -coal fuel 涵義煤粉燃料sustained powdered -coal combustion 煤粉穩(wěn)燃powdered coal burner 煤粉燃燒器;粉煤燃燒器;煤粉燃燒現(xiàn)象器fine powdered coal 細(xì)粉煤灰powdered coal gasification 粉煤氣化utilization of powdered coal 煤氣反竄large powdered coal gasifier 大型粉煤氣化爐 返回 powdered coal