低位水位指示计
igema distance water level indicator
igema gauge
地下水水位
groundwater level
groundwater state
water level of ground water
groundwater table
Ground water table
ground water level
water table depth
groundwater water level
地下水水位监测
Groundwater level monitoring
地下水水位预测
groundwater level prediction
地下水水位重建
groundwater level reconstruction
地下水位水质
water table and quality of groundwater