ridge pole

英 美
  • n.栋梁(屋脊梁)
  • pole n.杆;柱;极点v.(用杆)支撑Pole.n.波兰人
  • ridge n.脊;山脊;山脉;隆起部v.(使)成山脊
名词 ridgepole:
  1. a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters