1. The structure and working principle of hydraulic transmission and components;
2. Demonstration control experiment of hydraulic bulldozing machinery;
3. Demonstration control experiment of hydraulic bulldozer
4. Shoveling action of hydraulic bulldozer;
5. Earth-moving action of hydraulic bulldozer;
6. Unloading action of hydraulic bulldozer;
7. The hydraulic bulldozer returns when it is empty;