“water conservancy machinery”的概念、定义、翻译、参考文献-科学参考

单词	water conservancy machinery
释义	water conservancy machinery Encyclopedia 工学水利机械释 water conservancy machinery水利机械广义上指水利工程建设中应用的各种机械，狭义上指以水利工程施工的使用、维护、管理为主要功用的各类通用机械和专用机械。
随便看	cohomological semipurity theorem cohomologous cohomologous cochain cohomologous cocycle cohomologous to zero cohomology cohomology algebra cohomology class cohomology diagram cohomology dimension cohomology dimension of groups cohomology exact sequence cohomology extension cohomology functor cohomology group cohomology group of a group cohomology homomorphism cohomology manifold cohomology mapping cohomology module cohomology object cohomology obstruction cohomology of a bundle cohomology of a classifying space cohomology of a coherent sheaf

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