spool

• Blind flanged spool piece
  盲法兰短管
• Packaging for winding wires - cylindrical barrelled delivery spools - basic dimensions
  绕组线的封装.圆桶形输出线轴.基本尺寸
• Office machines - correcting ribbons , cores , spools - terms , dimensions , versions
  办公设备.改错带芯子和卷筒.术语尺寸和类型
• Spool valve type
  滑阀式转向控制器
• Spool shut - off valve
  滑阀式截止阀
• Two spool compressor
  双转子压缩机
• Micrographics - 16mm and 35 mm microfilm spools and reels - specifications
  缩微摄影技术16mm与35mm缩微胶片防光片盘与片盘技术规范
• Eq - height sleeves spool
  等高套筒
• Feed rewind spool
  供带盘倒带盘
• Two - spool engine
  双路式发动机