deep aquifer meaning in English

深层含水层

So the risk of inadvertently contaminating the deep aquifers must be carefully weighed
所以，深层含水层意外受污染的风险一定要小心考虑。
Preliminary research on the hydraulic conductivity of the deep aquifer of hebei plain using chlorine
同位素对河北平原深层含水组渗透系数的初步研究
Geologists agree that the risk of arsenic in deep aquifers is low , but before a few million such tubewells are dug , they need to be absolutely sure
地质学家认同较深那一层含砷的风险低，不过，在开凿几百万个深管式井泵之前，这件事必须绝对确认。
Moreover , the drilling process needs to be refined so that the deeper aquifers are not poisoned by arsenic - bearing water trickling down from the shallow aquifers through the boreholes themselves
还有，钻孔的过程必须要改良，较浅含水层中的砷才不会经由凿孔向下蔓延，进而污染了较深的含水层。
The company said its brewery was using " 100 per cent well water " from deep aquifers to produce its beer , adding that it was supplying harbins citizens with water from its own supplies and making tankers available
该公司表示，其酿酒厂使用来自深层含水层的“ 100 %井水”酿造啤酒，并补充称，正向哈尔滨市民供应公司自己的供水，并提供水车。