拱架

• lagging jack
• bow member
• falsework
• centering (adjustment)
• arch centre
• arch centring
• arching

参考释义

拱架 [gǒng jià]

• -
• 短语
  拱架吊钩 arch hook
  拱架集材 arch logging
  拱架柱 truch column

例句

1. 支架搁在支撑物上的拱架或梁的一部分
   The part of an arch or beam that rests on a support.