滚轮

• Roller - delayed blowback
  滚轮延迟反冲式
• Roller delayed blowback
  滚轮延迟反冲式
• Roller sports equipment - kick scooters - safety requirements and test methods
  滚轮运动设备.脚蹬踏板车.安全要求和试验方法
• Correlation analysis of large - diameter measurement based on multiple rolling - wheel method
  多滚轮法大轴径测量的相关性分析
• Roller weight loss method
  滚轮失重法
• Presser foot teflon feet
  滚轮式压脚
• 4 . higher durability than teflon or rubberized presser foot by more than 200 times
  4 .滚轮式压脚比铁氟或塑料压脚更耐用200倍
• Rollers sports equipment - kick scooters - safety requirements and test methods
  滚轮运动设备.脚蹬踏板车.安全要求和试验方法
• Smart roller games
  智能滚轮小游戏
• Welding turning rolls
  焊接滚轮架