level drive

例句：

1. 1. The car's level drive is smooth and efficient.
   这辆车的水平驱动平稳高效。
2. 2.The robot's level drive allows it to move smoothly across the floor.
   机器人的水平驱动允许它平滑地在地板上移动。
3. 3. In level drive mode, the car can travel at a constant speed without needing to accelerate or decelerate.
   在水平驱动模式下，汽车可以以恒定速度行驶，无需加速或减速。