“water conservancy in ancient Kaifeng city”的概念、定义、翻译、参考文献-科学参考

单词	water conservancy in ancient Kaifeng city
释义	water conservancy in ancient Kaifeng city Encyclopedia 工学〔中国古代城市水利〕释 water conservancy in ancient Kaifeng city古都开封水利古代开封市的航运、防洪、供水、灌溉等水利事业。
随便看	natrolite natron glass Natron Lake natrual γ-ray coal ash monitor natrul coloured cotton Natsagiin Bagabandi Natshinnaung Natsume Sōseki natto Natufian Culture natural natural abrasive natural additive functional natural adhesive natural aging natural amaranthus red natural amino acid natural amino acids Natural and Cultural Heritage of the Ohrid region World Cultural and Natural Heritage natural angle of repose natural asphalt of Jōmon Period natural asset account natural attenuation natural attenuation of pollutants natural attributes of population

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