吊桥

• Lesson l7 the longest suspension bridge in the world
  世界上最长的吊桥
• The drawbridge is closed . - not for long
  -吊桥合上了-合不了多久
• Vancouver one day tour include capilano suspension bridge
  温哥华市区观光vancouver包加保兰奴吊桥
• The drawbridge only existed during the days of less peaceful times
  吊桥则只在动荡的时代存在过。
• - and bungee jump off this huge crane . - that sounds exciting
  -从一座非常大的吊桥上蹦下去-听起来很有意思
• And bungee jump off this huge crane . - that sounds exciting
  从一座非常大的吊桥上蹦下去-听起来很有意思
• And that was to jump far , far below
  远远的跳下吊桥
• And that was to jump far , far below
  远远的跳下吊桥
• Existence and uniqueness of steady state solutions for suspension bridge system
  吊桥耦合系统静态解的存在唯一性
• Yourei coal mine human power railway dec . 1976 bridge of human power railway
  1976年11月友蚋煤矿人推轻便轨道吊桥