在新选项卡中打开链接
  1. Copilot 答案
    The purpose of the fire-step, which ran along the entire trench, was to enable each occupant of the trench to peer over the side of the trench through the parapet into No Man's Land in the directio...
    了解详细信息:
    The purpose of the fire-step, which ran along the entire trench, was to enable each occupant of the trench to peer over the side of the trench through the parapet into No Man's Land in the directio...
    www.firstworldwar.com/atoz/firestep.htm
    A firestep is a ledge built into the trenches that runs 2 or 3 feet from the ground. The fire-step allows soldiers to peer over the edge of the parapet into the no mans land.
    history.answers.com/military-history/What_is_a_fir…
  1. 包含 Fire Step WW1 的结果。
    是否只需要 Fire Stepin WW1 的结果?
  2. Fire Stepin WW1 的相关搜索

  3. 包含 Fire Step WW1 的结果。
    是否只需要 Fire Stepin WW1 的结果?
  4. 某些结果已被删除