traction gear box

例句：

1. 1. Thetractor has a large tractor gearbox that can handle heavy loads.
   这台拖拉机有一个大型的牵引装置箱，可以处理重负载。
2. 2. The tractor was equippedwith a new tractor gear box toimprove its performance.
   这台拖拉机配备了一个新的牵引装置箱，以提高其性能。
3. 3. The tractor gear box is essential for maintaining thesmooth operation of the tractor.
   牵引装置箱对于保持拖拉机的平稳运行至关重要。