pony wheel

• 小轮

pony wheel的用法和样例：

例句

1. The small wheel base is classified as state-level training base for access to BMX World Championships and the right to host the Olympic Games qualifier.
   其中，小轮车训练基地被列为国家级基地，获得小轮车世锦赛暨奥运会预选赛主办权。
2. Rewinding for different width ,and the unleveled materials can be winded levelly only by adjusting the guide wheel.
   复卷不同宽度，只需调整校正导轮，即可将不平整材料校正达到平整收卷。