girders

例句:

• All girders shipped by rail were arranged on a flatbed rail car.
  由火车装运的所有主梁都安放在平板火车车皮上.
  来自辞典例句
• The block is still just a skeleton of girders.
  这片建筑还只是仅有主梁的骨架。
  来自《权威词典》
• The girders are carried on trestles.
  这些大梁是由支架撑着.
  
• Strong steel girders in a ferro-concrete building.
  来自Anthony Huxley
• The green-painted girders are perforated with rust, the deck buckled with cracks.
  来自WSJ
• Officials say the girders crashed Saturday evening in the port city of Chittagong.
  来自VOA