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

单词	water conservancy in ancient Luoyang city
释义	water conservancy in ancient Luoyang city Encyclopedia 工学〔中国古代城市水利〕释 water conservancy in ancient Luoyang city古都洛阳水利古代洛阳市的航运、防洪、供水、灌溉等水利事业。
随便看	Sagittarious Arm Sagittarius Sagittarius A* Sagittarius Arm Sagittarius-Carina arm Sagittarius cloud Sagittarius Dwarf Elliptical Galaxy Sagittarius Dwarf Galaxy Sagittarius Dwarf Irregular Galaxy Sagittarius Dwarf Spheroidal Galaxy Sagittarius star cloud Sagittarius tidal stream Sagittarius Window Eclipsing Extrasolar Planet Search Sagittarus sagittate-leaved epimedium SAG mill comminution test Sagnac effect Sagnac interference Sagnac interferometer sago palm S. A. Goudsmit S. A. Goudsmit, 1902—1979 Saguaro National Park Saguia El Hamra Sa'gya Monastery

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