available ground water

基本解釋

Groundwater is the word used to describe water that saturates the ground, filling all the available spaces.
地下水是詞用來形容水飽和地面，填充所需的所有可用空間。
Construction and management of ground water reservoir is an effective way of increasing available water resources.
合理建設和管理地下水庫是我國北方缺水地區(qū)增加水資源可利用量的有效途徑。
And the quantity of surface water and ground water, water resources gross and its available quantity of these years are calculated.
計算了鄭州市地表水資源量、地下水資源量、水資源總量和水資源可利用量。