track scale test car

例句：

1. 1.The track scale test car was used to inspect the railway tracks for any damage.
   轨道测量车被用来检查铁路轨道是否有损坏。
2. 2.The engineers used the track scale test car to measure the speed and distance of the trains.
   工程师们使用轨道测量车来测量火车的速度和距离。
3. 3.The track scale test car helped us identify the areas where the rails were not in good condition.
   轨道测量车帮助我们确定了哪些轨道状况不佳的区域。