artesian aquifer
(surveying) A level staff or graduated rod used by surveyors to measure differences in level, or to measure horizontal distances by sighting the stadia hairs (graduations) through a telescope.
A confined aquifer containing groundwater under positive pressure.
plural of Cala
Third-person singular simple present indicative form of retravel
その町で唯一の信頼できる水源は、地下水が正圧下にある被圧帯水層で、いくつかの深い井戸によってくみ上げられていました。
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