back up wall

释义

背墙；

Connector for supporting a veneer panel on a back-up wall
Back Up Against the Wall
Review of Redox Flow Batteries as Back Up Storage For Retaining Block Wall For I-Flow Project
Back-Up Against the Wall
Back Up Your Data or Backs to the Wall?
Seal for shaft passing through housing wall - has back=up bellows operating when main bellows fails
Brick veneer, metal stud-back-up exterior wall systems
Development of Gasket as Back-up of Fire Resistive Covering Material on Viscous Damping Wall
Man is a peculiar animal. He can only read the writing on the wall when his back is up against it.
Wall Street Is Betting a Housing Recovery Will Build Economy Back Up Wall Street Betting a Housing Recovery Will Save the Day