The curved box girder bridges have been adopted more and more in the bridge project of interchanges and fly-over crossing because of good performance of structure and features of economy.是什么意思_The curved box girder bridges have been adopted more and more in the bridge project of interchanges and fly-over crossing because of good performance of structure and features of economy.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句