A trackwheel box belongs to the technical field of construction equipment for road and bridge.
一种轨道轮箱，属于路桥施工设备技术领域。
2
In testing the dynamics performance of locomotives and rolling stock on the roller testing rig, the difference between the trackwheel and the actual track may cause deviation of the test results.
滚动振动试验台在测试机车车辆动力学性能时，轨道轮与实际线路的差异会造成测试结果出现偏差。
3
It's called Smart Wheel, and it's designed to fit over the steering wheel of most standard vehicles to track whether or not the driver has two hands on the wheel at all times.