OH被定义为在站立3分钟以内收缩压下降

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【单选题】【消耗次数：1】

OH被定义为在站立3分钟以内收缩压下降

① 20mmHg

② 30mmHg

③ 40mmHg

④ 10mmHg

⑤ 15mmHg

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