cr 進行了充空氣和充純氮氣的輪胎分別跑16000邁的測試,二者的氣壓損失相差不大,不值得額外費錢衝純氮

The average loss of air-filled tires was just 3.5 psi from the initial 30 psi setting. Nitrogen-filled tires lost an average of 2.2 psi.

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