1. The gifts to him would have filled a railway car.

2. The 12 groups of constraints in railway car approving have also been analyzed respectively.

3. Transportation: Upholstery for steamboat, bus, railway car, ceiling, box sandwiching , anti - vibration of container and insulating liner.

4. The paper discusses the application of GPS on railway car.

5. Then, the paper makes a deep analysis in railway car approving.