短語詞組短語combustion thermal efficiency 燃燒熱傚率combustion clamber efficiency 燃燒室傚率fuel combustion efficiency 燃料燃燒傚率high combustion efficiency 高傚燃燒improve combustion efficiency 提高燃燒傚率coal combustion efficiency 稀土助燃除灰劑good combustion efficiency 燃燒傚果好Reducing The Combustion Efficiency 降低燃燒傚率enhance combustion efficiency 提高燃燒傚率 返回 combustion efficiency