However, the underground water lowering, which takes place in the water bearing layer in chief, has the inevitable influence on the surface subsidence.
矿区地下水位降低的主要原因为承压水通过采动裂隙向下渗流、煤层开采前顶板岩溶含水岩层的疏干以及地面人为钻井取水。
Effects of pre-compaction and dewatering on dynamic consolidation of soft subsoil;
预夯和降低地下水位对强夯效果的研究
This paper discusses a few pumping devices which are used in dewatering, with special emphasis upon discussing their type, working principle and characteristics.
讨论在建筑施工中利用轻型井点系统降低地下水位施工时 ,几种人工降低地下水位的方法及适用条件 ,并讨论了轻型井点系统中抽水设备的类型、工作原理及特点 ,总结选用真空引水罐抽水设备具有简单、经济、管理方便等优点 ;同时对在应用中如何利用理想气态方程和伯努力方程计算真空罐容积作以阐述 。
Lack of rain sank the reservoirs.
缺雨使水库水位降低。
A lowering of the water level in a reservoir or other body of water.
池降水库或其它水体的水位降低
The lack of rain had depressed the water level in the reservoir.
雨的缺少使水库的水位降低了。
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。
The water table has been lowered by drought.
地下水位因乾旱已降低.
To let, bring, or move down to a lower level.
降下让降到一低水平，带到或移到低方位
The floods are sinking rapidly.
洪水正在急退中〔水位迅速降低〕。
Study on the Turbine Operation of Ertan Hydropower Station Lowering Reservoir Water Level during Low Water Period
二滩水轮机枯水期降低水库水位运行研究
This lowers the water table and reduces soil alkalinization.
这可降低水位,减少土壤的碱份。
The city's water table also drops markedly every year;
每年城市的地下水位也在明显降低。
fall or drop to a lower place or level.
下沉或下降到一个较低的位置或水平。
drawdown [groundwater]
水位下降〔地下水〕
A Study on Decreasing the Anodic Overvoltage in Alkaline Water Electrolysis by Additive;
添加剂法降低水电解中析氧过电位的研究
The Unconventional Method of Researching to Reduce Ground Water Level of the Main Channel
非常规方法降低主渠道地下水位的探讨
Analysis of effect of application of Honghu flood persion area on lowering water level of the Yangtze River
洪湖分蓄洪区启用对降低长江水位效果分析
Leaf transpiration rate, above ground dry weight and water use efficiency were all decreased under the conditions of low water level.
水分低水位管理蒸腾速率、上部干物重和叶片水分利用效率下降。
decline to a lower status or level.
降到一个低的地位或降低身份。
A lowering in amount, degree, or position.
降低，削弱数量、程度或地位的降低