Design of Integrated Steel Hang Box Cofferdam and Construction Technology for Large-volume Concrete of Bearing Platform of Main Piers of Beijiang Special Long Bridge是什麼意思_Design of Integrated Steel Hang Box Cofferdam and Construction Technology for Large-volume Concrete of Bearing Platform of Main Piers of Beijiang Special Long Bridge在線翻譯_英語_讀音_用法_例句