Proposes that for central plain area using water source heat pump unit, solving the issues of irrigating well water back for different geological area must be emphasized.
同时提出了中原地区使用水源热泵机组时，着重注意不同地质井水回灌的解决问题。
The aim of this paper is to make a quantitative analytic evaluation on the present situation and the problems of water quality existing in the central drinking-water source area of the Fuxin region.
旨在定量分析评价阜新地区集中饮用水源地水环境质量现状和存在的问题。
The aim of this paper is to make a quantitative analytic evaluation on the present situation and the problems of water quality existing in the central drinking-water source area of the Fuxin region.
旨在定量分析评价阜新地区集中饮用水源地水环境质量现状和存在的问题。
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