inferior coal

短语词组

短語

• 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
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