词典释义：
发球裁判员
Officials include an umpire, service judge, line umpire and scorer.
裁判人员包括:裁判员 、 发球裁判 、 司线员和记分员.
Officials include an umpire service judge line umpire and scorer .
裁判人员包括：裁判员、发球裁判、司线员和记分员。
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