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xin xing lv shui guan jie shao
Pages: 62
Year: Issue:  3
Journal: Hydrogeology and Engineering Geology

Keyword:  贴砾滤水管技术方法研究工程地质钻井效率水文地质降低成本基本指标系列产品地矿部大提高;
Abstract: <正> 最近保定冲剪厂和地矿部水文地质工程地质技术方法研究所联合推出了一种新型滤水管系列产品、可大大提高钻井效率,降低成本,得到很高评价。 一、贴砾滤水管 基本指标如表1。
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