名词
中文翻译：主持仲裁员
同义词：
['仲裁员，仲裁法官例句：1. He was appointed as the presiding arbitrator in the case.（他被任命在这个案件中担任仲裁员。）']
例句：
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1. He was appointed as the presiding arbitrator in the case.
他被任命在这个案件中担任仲裁员。
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2.The presiding arbitrator made a decision that would affect the outcome of the case.
仲裁员做出了一个会影响案件结果的决定。
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3. The presiding arbitrator had to make tough decisions during the hearing.
在听证会上，仲裁员不得不做出艰难的决定。