Three Caohe Aqueduct in prestressed concrete construction as an example.Concrete Pumping at Aqueduct on the specific implementation of the project.是什么意思_Three Caohe Aqueduct in prestressed concrete construction as an example.Concrete Pumping at Aqueduct on the specific implementation of the project.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句