“Karez underground water conservancy project”的概念、定义、翻译、参考文献-科学参考

单词	Karez underground water conservancy project
释义	Karez underground water conservancy project Encyclopedia 历史学水利设施及附属物释 Karez underground water conservancy project坎儿井地下水利工程中国古代利用地面坡度引用地下水的水利设施。
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