以地热能及天然气作为冷热源能源的探讨 关键词：地热能； 天然气；冷热源 [gap=836]Key words： geothermal energy； natural gas； cool and heat sources
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Study on key sectors of applying untreatment sewage water of city using as cool and heat sources;
基于工程实践参数，定量比较了城市污水源热泵与其他冷热源的一次能源利用率。
Through the comparison of the selection methods for the schemes of the air-conditioner heat and cool sources, the ideality point method is selected for its simple and practical merit.
通过对空调冷热源方案选择方法的研究比较，说明理想点法是适合其选型的简单而适用的决策方法。
Storage must in a cool, shaded; away from sources of direct heat, air and sunlight is 3 months maximum.
置放于阴凉处，不可直接接触热源、空气及阳光，可保存三个月。
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