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

单词	water conservancy in ancient Nanjing city
释义	water conservancy in ancient Nanjing city Encyclopedia 工学〔中国古代城市水利〕释 water conservancy in ancient Nanjing city古都南京水利古代南京的航运、防洪、供水、灌溉等水利工程。
随便看	mass number mass-number conservation mass of a chain mass of a current mass of an r-vector mass of a polyhedral chain mass of a unitary representation mass of data mass of substance mass of the atom mass of the electron mass of the neutron mass of the nucleus mass of the proton mass of π-meson Masson's model Masson's pine,horsetail pine mass operator mass organizations of self-management at the grass-roots level mass oscillation mass outflow condition mass point mass point mechanics mass prediction and disaster prevention mass problem

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