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The hydraulic shock absorber only produces a lot of heat in the small hole on the high-pressure safety valve pressure when the human body vibrates the piston to squeeze the hydraulic oil. The air damper piston can compress the air when the vehicle shakes, which causes the air to be compressed. The vibration energy is released into the atmosphere, where it can be absorbed by the vibration mode, which is mostly caused by material hysteresis, dry friction, fluid friction, compressed air, and other factors.