常見例句雙語例句This paper introduces the background, scale and natural conditions of Changhong immersed tunnel in Ningbo City .介紹了浙江寧波常洪隧道工程的背景、規(guī)模和自然基礎條件;Depending on different conditions in different projects, construction methods for immersed tunnel vary with their respective features.由于工程建設條件的不同,沉管隧道建設的方法也各具特點。Some key issues related with excavation by a super-large shield machine and the design and construction of immersed tunnel in deep seawater and torrent conditions are also listed.最后,對超大型盾構機長距離掘進與深水急流海底沉管隧道的設計、施工等列出其中的若干技術關鍵問題。 返回 immersed tunnel