free water elevation 中文意思是什麼
free water elevation
解釋
地下水位-
In addition, to solve the lack of water supply at an elevation of 350 to 500 meters river terraces, a great amount of expense was spent on building bai - leng irrigation canal, which provided enough irrigating water for the agriculture on river terraces and converted the free - range use of hsin - hse river terraces to the intensive use
為解決海拔三百五十公尺至五百公尺的河階缺水問題,鉅資興築白冷圳,使河階旱田水源灌溉充足,新社河階群的土地利用也逐漸由粗放轉為集約。
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