https://www.tyresizecalculator.com/charts/tire-size-chart-metric-by-rim-wheel-diameter
大约轮胎的周长为两米多。比如225/65R17的轮胎,外直径约为724mm,这样算下来20万公里好像转的圈数要上一个数量级。英里的话就更多了。
https://www.tyresizecalculator.com/charts/tire-size-chart-metric-by-rim-wheel-diameter
大约轮胎的周长为两米多。比如225/65R17的轮胎,外直径约为724mm,这样算下来20万公里好像转的圈数要上一个数量级。英里的话就更多了。
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我数学教授朋友一眼就说我不对
-xiangbuming-
♂
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09/03/2019 postreply
08:59:13
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