MPG本身就是一个指标，基准是距离。如果有人再加上个重量基准有啥错？比大小之类形容词好多了

来源: 用户名被占用了于 2014-02-14 10:31:26 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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