After cooler work principle is that use of the cooling medium (such as water or air) and after cooler the exit of compressed air temperature difference.

后冷却器的工作原理在于利用了冷却介质(如水或空气)与后冷却器出口处压缩空气的温度差异。

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The condenser is a heat equipment, the evaporator absorbs heat with heat input power of compressor transformation with the transfer of the cooling medium ( such as water or air ).

冷凝器是放出热量的设备，将蒸发器中吸收的热量连同压缩机输入功率转化的热量一起传递给冷却介质（如水或空气）带走。

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This paper recounts the application of the coal gas cooling water as the heating medium in detail, and compares coal gas cooling water with steam on economic benefit of heating.

介绍了煤气冷却水作为采暖介质的应用，比较了煤气冷却水采暖与蒸汽采暖的经济效益。

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