drum wheel

• 鼓轮

drum wheel的用法和样例：

例句

1. This drum is fixed to the road wheel and rotates with it.
   这个鼓轮固定在负重轮上，并随之转动。
2. A spring attached to each brake shoe returns it also to its original position, free of the brake drum.
   附接在各个制动蹄上的弹簧也将制动蹄拉回原位，不与鼓轮接触。