The type of direct heating and circulation heat pump, because of the different heating way, they are many difference in energy efficiency and the efficient.
直热式和循环式热泵，由于加热方式不同，从而导致其能效比、经济性的差异。
Plan 1 is that heating in winter and cooling in summer is realized by gas direct fired lithium bromide absorbent type cool heaters using natural gas for fuel.
方案1是以天然气作为燃料，采用直燃式溴化锂机组实现冬季供热、夏季供冷。
Based on the application of CEMS to the coal-fired generating unit of Jiaozuo Power Plant, the working principle of a CEMS based on heating type direct extraction is presented.
以烟气连续排放监测系统在焦作电厂燃煤发电机组上的应用为例，介绍了一种加热式直接抽取法烟气连续监测系统的原理，分析了系统组成及功能、系统运行及系统的维护检修。
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