The seawater encroachment is a problem of water quality.
海水入侵是一个水质问题。
Exploitation of groundwater in coastal areas shall undergo scientific demonstration, and measures shall be taken to prevent sinking of land surface and encroachment by seawater.
在沿海地区开采地下水，应当经过科学论证，并采取措施，防止地面沉降和海水入侵。
This paper takes as its target at exploring the regularities of the seawater wedge encroachment and attacking influence on the coastal line groundwater level change through laboratory experiments.
为掌握滨海地带无压含水层中的海水楔因地下水位升降及抽水引起的移动规律，采用室内实验的方法，考察了海水楔在不同的水面坡度和抽水位置下的移动特性。
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