back up wall
英：[bæk ʌp wɔ:l] 美： [bæk ʌp wɔl]
back up wall 相关例句
权威例句
Connector for supporting a veneer panel on a back-up wallBack Up Against the WallReview of Redox Flow Batteries as Back Up Storage For Retaining Block Wall For I-Flow ProjectBack-Up Against the WallBack Up Your Data or Backs to the Wall?Seal for shaft passing through housing wall - has back=up bellows operating when main bellows failsBrick veneer, metal stud-back-up exterior wall systemsDevelopment of Gasket as Back-up of Fire Resistive Covering Material on Viscous Damping WallMan 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
