Construction Technology for Prefabricated 32-m Double Line Box Girder by Single Lift in Beijing - Tianjin Intercity Passenger Dedicated Line是什么意思_Construction Technology for Prefabricated 32-m Double Line Box Girder by Single Lift in Beijing - Tianjin Intercity Passenger Dedicated Line在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句