在城镇、工业大型供水水源地的勘察中，都要求进行群孔抽水试验。

In the survey of the source of water supplying for town and major industry the group drilling pumping test is needed.

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从保护巴南区饮用水源地环境的角度出发，首次对巴南区18个集中式城镇饮用水源地的环境现状进行了调查研究。

To protect the drinking water sources environment, the present environment situation of 18 centralized urban drinking water sources in Banan district were investigated.

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在全面分析巴南区城镇饮用水源地的环境现状及存在问题的基础上，提出了改善巴南区城镇饮用水源地环境的对策。

Based on the comprehensive analysis of the present environmental situation and the existing problems, the countermeasures of protecting drinking water sources in Ba nan district were proposed.

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