The intervention measure is effective for better indoor air and increasing knowledge about air hygiene for workers in chafing dish restaurants.
卫生知识培训和一系列干预措施能显著提高从业人员的卫生知识认知程度，改善火锅店内空气质量。
To explore an intervention measure for better indoor air quality and higher level of knowledge about air hygiene for workers in chafing dish restaurants.
了解火锅店空气卫生质量及从业人员卫生知识知晓程度现状，探讨改善空气质量、提高知晓程度的干预措施，为有关部门制定相应标准提供依据。
To explore an intervention measure for better indoor air quality and higher level of knowledge about air hygiene for workers in chafing dish restaurants.
了解火锅店空气卫生质量及从业人员卫生知识知晓程度现状，探讨改善空气质量、提高知晓程度的干预措施，为有关部门制定相应标准提供依据。
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