ageing of dam 中文意思是什麼
ageing of dam
解釋
壩的老化-
The three gorges project is a world - famous water conservancy center project. the main parts of it are the body of concrete dam, permanent ship casket, electricity - produce department, etc. these are all large volume concrete which influence the ageing resistance of the project directly, and they also have much to do with ( he concrete of moderate heal portland cement armature and concrete aggregate, etc
長江三峽工程,是舉世矚目的特大型水利樞紐工程,工程的主體:混凝土大壩壩體、永久船閘,發電廠房等均為大體積混凝土,這些混凝土工程的耐久性既與施工質量有直接關系,也與組成壩體的小熱硅酸鹽水泥、骨料、鋼筋等原料有密切的關系。
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