reduction gear ratio
铲齿机
gear spader
暂无补充释义。
相关词条
straight toothed spur gear
reversing gear, electric model railway
distributing valve-gear (valve gear)
spider gear
planet gear
die turning gear
gear increaser
gear spader
暂无补充释义。
reduction gear ratio
straight toothed spur gear
reversing gear, electric model railway
distributing valve-gear (valve gear)
spider gear
planet gear
die turning gear
gear increaser