【判断题】
对集中空调系统的空气净化过滤材料应当每年清洗或更换一次
A. 对
B. 错
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答案
B
解析
3.2.2储存场地、公共场所、食品与饮用水生产经营单位等的卫生监督《公共场所集中空调通风系统卫生规范》（WS394-2012）
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