What officials are there in a diving competition?

跳水比赛有哪些裁判人员?。

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Diving on the history of who had to jump beyond the standard for competition.

历史上的跳水曾经以谁跳得更远为比赛标准。

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Diving on the history of who had to jump beyond the standard for competition.

历史上的跳水曾经以谁跳得更远为比赛标准。

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