n. 地下蓄水层,砂石含水层( aquifer的名词复数 )
网络 含水层; 地下水层; 含水地层
These aquifers became saturated more than 10,000 years ago and are no longer being recharged.
这些含水层在一万多年前就饱和了,现在不再重新补充水分了。
Sandstones generally make good aquifers, while finer-grained mudstones are typically impermeable.
砂岩通常是良好的含水层,而细粒泥岩通常是不透水的。
Water does not remain immobile in an aquifer but can seep out at springs or leak into other aquifers.
水在含水层中并不是静止不动的,而是会从泉水中渗出,或渗入其他含水层。
Beneath the Sahara are huge aquifers, basically a sea of fresh water, that´s perhaps a million years old filtered through rock layers.
撒哈拉沙漠下面是巨大的含水层,基本上是一片淡水的海洋,那可能是经过岩石层过滤的,已经有一百万年历史。
The aquifers range from 1,000 to 3,000 feet below the ground, which means that pumping will be expensive and there are other concerns.
地下含水层位于地下1000到3000英尺之间,这意味着抽水成本很高,还有其他接踵而来的问题。