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1·It is twin-door with a total capacity of 230 litres and has a frost free defrost system.

它是双胞胎门以230公升总容量并且有自由的霜除霜系统。

2·This paper presents an experimental investigation of refrigeration system dynamics during the reverse-cycle defrost of an air-source heat pump chiller.

本文针对风冷热泵冷热水机组的逆循环除霜进行了实验研究，得到了除霜时系统参数随时间的变化规律。

3·The microprocessor based control provides intelligence to gather and process information about system defrost requirements.

微机控制，智能收集和处理系统除霜信息。