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1前言近几年,因为提高了针对温暖化问题的认识,很多企业都在研究引进有关节能、低碳的高效热源设备。至今,应用热泵技术的高效热源设备大都是以冷水负载为对象,对应温水负载限定在CO2热水器等小型机。
1 INTRODUCTION In recent years, many enterprises are studying the introduction of energy efficient and low-carbon efficient heat source equipment because of their increased awareness of the issue of warming. To date, most efficient heat sources using heat pump technology are targeted at cold water loads and are limited to warm water loads such as CO2 water heaters.