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内容来自iPhone手机客户端
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内容来自Android手机客户端
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rivertan:国家对桥梁的坡度是有标准的,不会搞的跟墙一样,单盘9速完全够。特别是在上海,说实话最低两速就够 (2022-02-16 12:31)
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shj117:偶尔爬个坡9速完全足够,单盘简单清爽、护盘一体或者加护盘也方便。如果是经常需要爬坡,才考虑双盘,爬坡时挂小盘可减少链线斜度,减少磨损等等。 (2022-02-16 11:41)
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