热效率高。
To save energy raising heat efficiency of furnace is an important measure.
为了节约能源，提高加热炉的热效率是一项重要的措施。
The current reel silk drying device results in low heat efficiency but high heat loss.
缫丝厂现行小烘丝装置热效率低，热量损耗大。
Heat recovery system with revolving air preheater can keep the heat efficiency above 86%.
采用回转式空气预热器的热回收系统，可以使加热炉热效率保持在86%以上。
Heat recovery system with revolving air preheater can keep the heat efficiency above 86%.
采用回转式空气预热器的热回收系统，可以使加热炉热效率保持在86%以上。
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