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引用第74楼banbb15于2012-11-15 13:43发表的 :超大坡度的应该是以一段冲坡为前提过的吧,有很高的初速度,冲过很短距离的大坡度也是可能的。
引用第79楼coolsear于2012-11-16 23:13发表的 :想起来以前好多人动不动就说坡是45度的。之前看到这么一幅图,特地保留下来,给大家看看45度是个什么概念。 [图片]
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