The gist of the present furnace design with high thermal efficiency and fuel utilization.
本设计的要点是加热炉高的热效率，提高燃油的利用率。
The experimental result indicates that this furnace has high burning efficiency and good practical effect.
试验结果表明，该炉燃烧效率较高，实用效果好。
The furnace is characterized by its high heat efficiency, easy automatic control and low atmospheric pollution.
该熔炉具有热效率高，便于自动控制、环境污染小等特点。
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