drawdown of well是什么意思

网络释义

用法例句

Research on unsteady seepage problem of bank slope due to drawdown of reservoir water level;

库水位下降时的岸坡非稳定渗流问题研究

The calculation shows that the safety factor declines with the drawdown of the water level under the drainage condition.

计算结果表明,当土体设置为排水条件时,在库水水位下降过程中,安全系数随水位的下降逐渐减小,但当水位下降了20 m以后,由于孔隙水压力给滑面提供了竖直方向的作用力,随着水位的继续下降安全系数反而略有上升。

Owing to the overexploitation for groundwater thus leading the water lowering of groundwater, the formation and enlargement of the cone of depression, and the ground subsidence, such being the case, the geologic hazard will easily occur at any time.

因过量开采地下水而引起地下水水位下降，降落漏斗形成并扩大，同时引发地面沉降，造成地质灾害发生。

Some problems, such as water level descending and water quality worsening caused by over-exploration of underground water analyzed.

介绍了山东省冠县的水文地质条件和地下水资源开发利用现状，分析了由于过量开采浅层地下水而引发的水位下降及水质恶化等问题，提出了合理开发利用地下水的建议。

Research on causes and countermeasures of groundwater level drop in the Shiyang River Basin

石羊河流域地下水水位下降原因及对策研究

The research indicates that the difference of riverbed scour resistances can cause the non-uniform water level drop;and the navigation channel at some reach which has strong scour resistance will possibly be confronted with the problem of shortage of water depth,steep water surface slope and high flow velocity in future.

研究认为,本河段河床抗冲性的差异导致沿程水位降幅不一;在未来河床冲刷和水位下降过程中,局部抗冲性强的河段将可能面临水深不足和坡陡流急的碍航局面。

drawdown [groundwater]

水位下降〔地下水〕

Discussion on usage of rainwater to improve water table decline of cities;

利用雨水改善城市地下水位下降现状的探讨

Research on causes and countermeasures of groundwater level drop in the Shiyang River Basin

石羊河流域地下水水位下降原因及对策研究

The fiver dropped some 85 feet.

河的水位下降了约85 英尺。

FEM Analysis of Embankment Stability in Falling of Water Level;

水位下降时堤防稳定性的有限元分析

Descending of Groundwater Level as Major Factor of Building Cracking

矿山地下水位下降是导致房屋开裂的重要原因

Analysis on Meteorological Contributing Factors of Groundwater Drawdown Funnel in Langfang

廊坊市地下水位下降漏斗的气象成因分析

Heavy rainfall makes a river rise while continuous dry weather makes a river sink.

大量降雨会使河水上涨，而连续干旱又会使河流水位下降。

Analysis of the Additional Stress Induced by Dewatering for the Failure of Shaft Wall in the Thick Alluvium

水位下降诱发深厚表土井壁的附加应力研究

depression curve

(地下水位的)降落曲线

The water table has been lowered by drought.

地下水位因乾旱已降低.

But in the longer perspective of a few decades, river water levels will decline.

但放眼几十年后，河水水位将下降。

Water tables are falling throughout the northern half of China.

中国的北半部，地下水位普遍下降。

Groundwater lowering in construction : a practical guide

建筑物中地下水位的下降 实践指南.

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。

However, the ground water table tends to descend, accounting for 62% of the cities and regions.

但地下水水位总的发展趋势仍以下降为主，下降区比例高达62%。

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

Well, the level 's down a bit. Better top it up .

嗯，水位已下降了上点。 还是把它注满吧。