| 1. | Ground water is usually removed by man through wells .
地上水一般是由人们从井里汲上来。
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| 2. | Ground waters originating in different beds commingle .
来源于不同层位的地下水相互混合。
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| 3. | This solution describes a spreading of a ground water mound .
这个解描述地下水丘的扩展。
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| 4. | Ground water is found widely .
地下水分布广泛。
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| 5. | Ground water is also obtained for human use by sinking wells .
人们也通过挖井来获取地下水以供使用。
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| 6. | Recovery of ground water may require especially delicate tactics .
利用地下水，需要有特别完善的方案。
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| 7. | Seepage from land fills can pollute ground water or surface water .
填土的渗漏可能污染地下水和地面水。
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| 8. | The flow of ground water is toward streams, lakes, or oceans .
地下水经流的方向是朝向河流、湖泊或海洋的。
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| 9. | Slow degradation of ground water quality may result from repeated use .
循环使用地下水可以导致缓慢的水质降低。
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| 10. | The romans did not trust ground water since it was usually contamianted .
由于地下水常遭污染，罗马人不相信它。
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