Submerged floating tunnels (SFT) are a kind of innovative structure to cross great rivers, large lakes, bays and straits, having the advantages that no other underwater tunnels can match.

 
  • 摘要水中悬浮隧道是在水中穿越江河湖海的新型构筑物,具有其他水下隧道不可比拟的优势。
今日热词
目录 附录 查词历史