The number of new projects targeting HFC emissions is falling as developers run out of factories in which to install the cleaning equipment.

针对氢氟烃排放的新项目数量正在减少，因为可供安装清洁设备的工厂已所剩无几。

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This paper expounds the principles of a few typical cleaning methods for exhaust emissions from motorcycles and contrasts them from structure, cost, and cleaning effect.

本文阐述了几种典型的摩托车排放净化方法的机理，并从结构、成本、净化效果等方面进行了分析对比。

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Using the air (the inert gas) to clean tubular cooler (condenser), a high efficient cleaning method of energy conservation and emissions reduction was provided.

利用气体(空气或惰性气体)实现对列管式冷却(凝)器的吹除除垢，提出了一种节能减排的高效除垢方法。

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Using the air (the inert gas) to clean tubular cooler (condenser), a high efficient cleaning method of energy conservation and emissions reduction was provided.

利用气体(空气或惰性气体)实现对列管式冷却(凝)器的吹除除垢，提出了一种节能减排的高效除垢方法。

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