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- ground water drainage 地下水排水
- Ground water is lowered by the drainage which can be caused by any deep excavation. 任何一种深的挖方都能造成排水现象从而使地下水位降低。
- Mine tailings give rise to acid drainage and heavy metals which pollute ground water, surface water and dest ecological environment. 矿山尾矿由于产生大量酸性排水和释放重金属,污染地下水和地表水,破坏生态环境而成为人们关注的焦点。
- Seepage from land fills can pollute ground water or surface. 填土的渗漏可能污染地下水和地面水。
- Poisons used on farms and in homes can enter ground water. 在农场和家庭使用的毒物可以进入地下水。
- The quality of the ground water made some improvement. 地表水水质有所改善。
- This solution describes a spreading of a ground water mound. 这个解描述地下水丘的扩展。
- Ground water levels fall. Rivers get drier and drier. 地面水位下降。河流变得更干燥。
- Property: Big strength; good tenacity; erosion resistant; water drainage and light weight. 产品特性:强度高;性好;耐侵蚀;排水;质轻。
- Ground water is also obtained for human use by sinking wells. 人们也通过挖井来获取地下水以供使用。
- And the process of waste water drainage and the technical condition are proposed on the experiment. 并在试验的基础上,提出了处理公司外排废水工艺流程和技术条件。
- Ground water is usually removed by man through wells. 地上水一般是由人们从井里汲上来。
- Design storm hyetograph is the essential element for hydrologic modeling analysis and storm water drainage design. 摘要设计暴雨雨型对水文模式分析与暴雨排水设计是不可或缺的基本要素。
- The flow of ground water is toward streams, lakes, or oceans. 地下水经流的方向是朝向河流、湖泊或海洋的。
- The significance, task and three means of water drainage on cloverleaf-junction drainage are introduced. 介绍了立交排水的重要性、任务及立交排水三种方式,阐述了立交排水量的计算和设计原则。
- Recovery of ground water may require especially delicate tactics. 利用地下水,需要有特别完善的方案。
- Seepage from land fills can pollute ground water or surface water. 填土的渗漏可能污染地下水和地面水。
- Soil water drainage and excessive grazing in pastureland of m ire and peat soils are accountable for the deterioration and quality decline of mire and peat soils. 人类疏干沼泽、过度放牧等活动是沼泽土和泥炭土退化、质量下降的主要原因。
- The peak ground water level was analyzed on simulation. 仿真分析了地下水位的峰值。
- The structure and category of green belt and flowerbed design are presented. Also the design and calculation of their water drainage system are added. 介绍绿地、花坛的构造、排水系统的类型以及排水系统的设计计算方法。