This paper sets Jinbin Aerial Railway Engineering Project as an example and thethree-span prestressed concrete continuous box girder bridge is selected as theexperimental beam in the research.是什么意思_This paper sets Jinbin Aerial Railway Engineering Project as an example and thethree-span prestressed concrete continuous box girder bridge is selected as theexperimental beam in the research.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句