This article expounds the essential character of ecological environment and its three major steps of evolution in the history periods in Pingtang county.
本文阐述了平潭县生态环境的基本特征及其历史变迁的三个主要阶段。
Taking the Qumu underground river in Pingtang county, Guizhou Province as the example, it emphasizes the significance of karst groundwater exploitation in the drinking water of the country.
以贵州省平塘县巨木地下河开发示范为例强调岩溶地下水开发在解决农村饮水安全工作中地位。
Taking the Qumu underground river in Pingtang county, Guizhou Province as the example, it emphasizes the significance of karst groundwater exploitation in the drinking water of the country.
以贵州省平塘县巨木地下河开发示范为例强调岩溶地下水开发在解决农村饮水安全工作中地位。
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