worm-gears

英['wɜːmɡ'iəz] 美['wɜːmɡ'iəz]
  • 蜗杆蜗轮副
  • bone n.骨骼;骨;核心vt.除去骨头;往衣服里加撑条;磨光表面vi.努力学习adv.非常地;极其地
名词 worm gear:
  1. gear consisting of a shaft with screw thread (the worm) that meshes with a toothed wheel (the worm wheel); changes the direction of the axis of rotary motion