题目：
室内游泳场所应保持良好通风，机械通风设施正常运转，（）等空气监测指标应符合国家相关卫生标准的要求。
答案：
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参考答案：C
室内游泳场所应保持良好通风，机械通风设施正常运转，（）等空气监测指标应符合国家相关卫
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