短語(yǔ)詞組短語(yǔ)erection by launching technique [交]滑拽法架橋erection by incremental launching 頂推式架設(shè)法erection by launching girder 導(dǎo)梁架橋法ERECTION BY INCREMENTAL LAUNCHING METHOD 頂推式架設(shè)法 返回 erection by launching