self-propelled single-row harvestor

例句：

1. 1. The self-propelled vehicle can travel long distances without needing a driver.
   这种自推进车辆可以在无需驾驶员的情况下行驶很长的距离。
2. 2.The self-propelled train is an efficient way to transport goods across the country.
   自推进火车是一种高效的方式，可以在全国范围内运输货物。
3. 3. The self-propelled car has become increasingly popular among young people due to its convenience and efficiency.
   自推进汽车因其便利性和效率而越来越受到年轻人的欢迎。