大连湾海底隧道工程是我国北方开建的首条海底沉管隧道,建成后将形成纵贯大连南北的快速通道——"蛟龙"潜底 海湾变通途-地方新闻-北国网
lnd.com.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from lnd.com.cn Daily Mail and Mail on Sunday newspapers.
Related Keywords