runway sweeper

例句：

1. 1. The airport has a fleet of runway sweepers to keep the runways clear.
   机场有一支车队的跑道清扫机，保持跑道畅通。
2. 2. The aircraft was inspected by a runway sweeper before takeoff.
   飞机起飞前由跑道清扫机进行了检查。
3. 3. The runway sweeper was responsible for cleaning the runway after each flight.
   跑道清扫机负责在每次飞行后清理跑道。