螺旋推运器传动链轮的英文

auger drive wheel

auger sprocket

• 螺旋:    corkscrewspin; scr ...
• 推:    push; shove
• 运:    move; revolve
• 器:    implement; utensil ...
• 传动:    transmission; driv ...
• 链轮:    chain gear; chain ...