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When we usually cheer the bicycle, we often cant determine whether the air is played, so we need a hand to press the dirty wheels and the results are still uncertain. Moreover, we may get a flat tire.
The gas nozzle can show tire pressure, so users can see the tire pressures while using. The red indicator ring of pressure pump is driven by the gas inside the tire , when the tire air pressure within the ever-increasing, the red indicator ring will move from the scale min to max, when tire pressure reaches saturation, indicating ring will just stop at max. All this make cheer process more convenient and clean.
Jiangnan University
Wuxi city Jiangsu Province, China
Jiangnan University
Wuxi city Jiangsu Province, China