这条隧道超越了此前的世界之最--日本全长53.9公里的青函海底隧道，将全长50.5公里的英吉利海峡隧道挤到了第三的位置。
The tunnel has overtaken Japan 's 53.9km Seikan rail tunnel as the longest in the world and pushed the 50.5km Channel Tunnel linking the UK and France into third place .
青函隧道