“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	nanolaser nanolignin nanoliter electrospray (NanoESI) nanolithography nanolithographyna nanolization nano manipulation nanomanipulator nano mask nano-material nanomaterial nano-material enhanced flocculant nanomaterials nanomaterials photovoltaic cell nanomechanical testing technology nanomechanics nano medicine nanomedicine nanometallic materials nano metal structure material nanometer nanometer biomaterial nano meter carrier nanometer carrier nanometer ceramic composites

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