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手册汇编了从事野外和室内水文工程地质工作的技术人员所必需的各种资料,一套不需经过计算便可引用的图表和设计数据。关于钻孔钻进的资料是可保证将钻探结果高
The handbook compiles a variety of information necessary for technicians working in the field and indoor hydrogeology and geology, a set of charts and design data that can be referenced without calculation. Information on drilling can guarantee high drilling results