Taking the partly prestressed 25 m box-beam in bidded section FG-Q2-1 of Fenguan Superhighway as an example and connecting with the construction practice,this paper introduces the key points of the post-tensioned construction technique for 25 m box-beam.是什么意思_Taking the partly prestressed 25 m box-beam in bidded section FG-Q2-1 of Fenguan Superhighway as an example and connecting with the construction practice,this paper introduces the key points of the post-tensioned construction technique for 25 m box-beam.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句