| 1. | Groundwater levels fall ; rivers get drier and drier
地下水水位下降，河水越来越干。 |
| 2. | Groundwater levels fall ; rivers get drier and drier
过度用水造成地下水水位下降，河流变得越加干涸。 |
| 3. | Lack of rain sank the reservoirs
缺雨使贮水池水位下降。 |
| 4. | Recently , “ the water table has dropped down so much that my pump was sucking air
近来， “水位下降的很快以致于我的水泵根本抽不到水了” 。 |
| 5. | Boats going over the overflow weirs ; access when water levels fluctuate leaving steep banks
如何在水位下降而堤岸外露情况下，仍可安全进出水塘范围； |
| 6. | When the altitude control senses a drop in level below the predetermined setpoint the valve opens to fill tank
当水位控制器感应到水位下降到预置设置点以下时，则阀门开启，开始对容器注水。 |
| 7. | The rock on the right has a whitish crust of minerals , indicating that it was submerged until the lake level dropped
右边的这块表面结了一层白白的矿物质，显示它在水位下降之前是泡在水里的。 |
| 8. | Standard practice for field procedure for constant drawdown tests in flowing wells for determining hydraulic properties of aquifer systems
用于测定含水层系统水硬性的流动井中恒定水位下降试验现场程序的标准实施规程 |
| 9. | The conditions have reduced water levels in the yangtze river to historic lows and raised concerns over the massive three gorges dam ' s ability to generate power , state media reported last week
官方媒体上周表示，恶劣的情况使得长江的水位下降到历史最低点，三峡大坝的发电问题也备受关注。 |
| 10. | Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions , forcing people to use low - quality water for drinking
过度抽取地下水做为饮用水和用来灌溉在许多地区已经使水位下降了几十米，迫使人们使用质量较差的水来做为饮水。 |
