短語詞組短語combustion thermal efficiency 燃燒熱效率combustion clamber efficiency 燃燒室效率fuel combustion efficiency 燃料燃燒效率high combustion efficiency 高效燃燒improve combustion efficiency 提高燃燒效率coal combustion efficiency 稀土助燃除灰劑good combustion efficiency 燃燒效果好Reducing The Combustion Efficiency 降低燃燒效率enhance combustion efficiency 提高燃燒效率 返回 combustion efficiency