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猜想了一下, A, B 路径是最佳的防碰路径.
quoiguaski 发表于 2012-2-7 09:28 下次那一定还有下次, 记住下次命令他/她站住,让他告诉她/他 咱爸是李刚 ...
Phoenixtear 发表于 2012-2-7 01:08 滑雪时带个高分贝喇叭吧,看到前面有人滑得慢就对这他使劲放几声BB
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