肉眼看上去有9条跑道，不一定设计的是9条比赛跑道，见内

来源: coach1960 于 2016-08-18 12:47:49 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读： 次 (365 bytes)
回答: 我记得400米就是9道 由 jiangwen999 于 2016-08-18 12:27:16

But the Rio de Janeiro Olympic Stadium track only has eight lanes. According to Olympic historian Bill Mallon, never before had a time trial been used in a similar situation for an Olympic relay.

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