Phreatic line

The top surface of a freely moving groundwater reservoir over an impervious stratum, is called the Phreatic line or ground water table. Water pressure is atmosphere pressure at all points on a phreatic line so it is an equipotential line .

单词	Phreatic line
释义	Phreatic line 英语百科 Phreatic line The top surface of a freely moving groundwater reservoir over an impervious stratum, is called the Phreatic line or ground water table. Water pressure is atmosphere pressure at all points on a phreatic line so it is an equipotential line .
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