常見例句雙語例句This paper introduces the construction techniques of U shaped caisson of main pier of Huanghe bridge on Yingu expressway.本文介紹銀古高速公路三標(biāo)黃河特大橋(拓寬工程)主墩承臺(tái)U型沉井施工技術(shù),重點(diǎn)介紹沉井下沉施工及糾偏方法。 返回 caisson pier