·2,447,543篇论文数据，部分数据来源于NoteExpress
具有达标元素较单一、水化学类型复杂、矿化程度较低、单井允许开采量相差悬殊且地域分布不均等特点。
It has characteristics as single standard element, complicated hydrochemical types, low mineralization degree, wide disparity in single well permissive yield and inhomogeneous distribution in space.
youdao
应用推荐
模块上移
模块下移
不移动