available ground water

基本解释

Groundwater is the word used to describe water that saturates the ground, filling all the available spaces.
地下水是词用来形容水饱和地面，填充所需的所有可用空间。
Construction and management of ground water reservoir is an effective way of increasing available water resources.
合理建设和管理地下水库是我国北方缺水地区增加水资源可利用量的有效途径。
And the quantity of surface water and ground water, water resources gross and its available quantity of these years are calculated.
计算了郑州市地表水资源量、地下水资源量、水资源总量和水资源可利用量。