“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	blaze angle blazed angle blazed grating blazed hologram blazed wave length Blaze Star blaze wavelength Blazhko crater Blazhko effect blazing angle blazing star B-L conservation bleach bleached and dyed veneer bleached hologram bleached veneer Bleach grey soils bleaching bleaching clay bleaching out bleaching powder bleaching process control systems bleaching with hypochlorite bleaching with sodium chlorite Bleak House

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