排烟管的设计安装不当将影响空气的供给，从而引起燃烧不完全和火焰拉长现象，导致热效率下降。
The exhaust pipe influences air supply and smoke exhaust, that can induce incomplete combustion and efficiency decline.
对一座横火焰的瓶玻璃池窑，选用了配套的耐火材料，以提高热效率和延长窑炉寿命；
Complete set of refractory materials has been selected for a cross-fired container glass furnace in order to obtain higher heat efficiency and longer furnace life.
不仅得不到理想的燃烧火焰，而且热效率低、烟气中的CO含量高等方面问题。
Its combustion characteristics are not well not only unfavorable burning flaming but also low thermal efficiency, high co content in exhaust gas and other problems.
本文首先从理论上分析了传统汽油机热效率低的原因，指出其“单点点火、火焰传播”的燃烧方式是症结所在。
First of all, the reasons why the combustion efficiency of gasoline engines is lower than diesel were analyzed theoretically.
解析一类火焰炉热效率方程序，导出了最高热效率和最佳能耗的公式，给出了两者之间的关系。
The thermal efficiency equation of flame furnace was analyzed. The formula of maximum thermal efficiency and optimum energy consumption were derived, and the relationship between them was shown.
解析一类火焰炉热效率方程序，导出了最高热效率和最佳能耗的公式，给出了两者之间的关系。
The thermal efficiency equation of flame furnace was analyzed. The formula of maximum thermal efficiency and optimum energy consumption were derived, and the relationship between them was shown.
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