【摘要】 本文主要分析了太阳能供热单一系统的经济效益参数和偿还年限，并结合实例进行推导、计算，论证在平顶山市郊推广单一系统的可行性。更多还原

【Abstract】 This paper analizes mainly the economic benefit parameter and the yearsset for paying back of the single system of solar heating,and combines practice to deduce,calculate, expound and prove the feasibility of the popularization of the single system used in thesurburb of the Ping Ding Shan city.更多还原