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Air line
Air line means the boundary of the tire pressure. According to the air line, drivers to know whether the tire pressure is sufficient or not. When red line touches the ground, drivers need to inflate the tire, its a clear visual symbol for drivers to check tire pressure.
National Yunlin University of Science and Technology
Douliou, Yunlin, Taiwan
National Yunlin University of Science and Technology
Douliou, Yunlin, Taiwan