【摘要】 华北地区奥陶系厚度大，富水性强。本文以兖州西部水源地勘探、抽水试验资料为基础，通过对奥陶系的水文地质特征的综合研究，将奥陶系含水岩组划分为７个含水层段。该方案在鲁西南的水文地质勘探中已得到了普遍应用。更多还原

【Abstract】 In north China, the thickness of Ordovician system is larger, the water-abundance is better. Based on data of exploring authors discussed the hydrogeologic characteristics of Ordovician system in West Yanzhou. The Ordovician system carbonate can be divided into 7 water-bearing members which has been widely used in southwest of Shandong province.更多还原