gantries

例句:

• Conveyors, Gantries, robots, marking , washing, and material handling accomplished using our standard products.
  用我们的标准产品即可获得零件的输送 、 门式台架 、 机械手 、 打标 、 清洗 、 物料搬运等设备.
  
• They already have overhead gantries, which can lower speed limits during bad weather or heavy traffic.
  来自THETIMES
• The historic space shuttle gantries that for decades towered over Launch Pad 39B at NASA's Kennedy Space Center, Fla.
  来自MSN
• Drivers can tell when the system is switched on as illuminated signs on the gantries read "ERP in operation".
  来自BBC