The filter is made by joining specific urethane foam with refined, activated high absorption carbon.
过滤片由特殊脲脘泡沫塑料配合精制活性碳而制成, 具高度吸收效能.
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The hooks on side B are designed to provide optimum bonding to the urethane foam pad.
在B面的吊钩是用来给乙烷泡沫衬垫提供良好的粘接作用.
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