大水位变化
big changing of water level
地下水位分布
groundwater level distribution
地下水位稳定
stability of groundwater level
地下水位长观站
underground water level secular gauging station
地下水位短期预报
groundwater table short-period forecast
地下水位水质
water table and quality of groundwater
调整正解水位区间
adjustment on positive water level
非水电位滴定法
non-aqueous potentiometry titration
Non-aqueous Potentiometric Titration