Groundwater is an important and indiscerptible part of the whole water environment. 地下水是水环境不可分割且十分重要的一部分。
The State shall institute a system for eliminating outdated production techniques and equipment which seriously pollute the water environment. 国家对严重污染水环境的落后生产工艺和严重污染水环境的落后设备实行淘汰制度。