水下钻井装置
underwater drilling device
水井、井水及废水
Wells and well water and waste water
水下[下水]滑道
under water launching way
傍河型地下水水源地
riverside groundwater resource field
饱和盐水钻井液
Saturated Salt-water Drilling Fluid
车装水井钻机
truck mounted water well drilling rig
淡水钻井液
Freshwater drilling fluid
fresh mud
淡水钻井液侵入
fresh drilling mud invasion
地下水水化学
hydrohemistry of groundwater
地下水水化学类型分带
zones of groundwater chemical types
地下水水化学特征
Hydrochemical characteristics of groundwater
underground water hydrochemical characteristics
chemical characteristics of water