The study also showed that steam cleaning of the sheets was equally effective as hot water (140 degrees Fahrenheit) washing at killing dust mites and removing dog dander and pollen.

• 该研究同样表明：用蒸汽清洗床单同用热水（140华氏度）洗相比，在杀死尘螨、清除狗毛和花粉方面效果一样。