你即將離開本站

並前往https://www.americanwhitewater.org/content/Wiki/safety:start

Safety Code of American Whitewater

A river rating should take into account many factors including the difficulty of individual rapids, remoteness, hazards, etc. The six difficulty classes: Class ...

確定！ 回上一頁

查詢 「river-class」的人也找了：

  1. River class
    2.
  2. river-class patrol vessel
    3.
  3. HMS Spey
    4.
  4. Tide class
    5.
  5. Scimitar class
    6.
  6. Island class
    7.
  7. Hunt class
    8.
  8. Pattani class
    9.