caterpillar chain

• 履带链,履带

caterpillar chain的用法和样例：

例句

1. This might apply to caterpillar vehicles.
   这可能是说履带车辆。
2. A caterpillar tractor is tugging along the truck that has bogged down.
   履带式拖拉机在拖那辆陷入泥沼的卡车。