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The dry-type air filter is made of a paper element.
干式空气滤清器由纸制造而成。
youdao
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From the inside Breath hole closed by Breath filter to make air clean and dry.
由内而外的呼吸过滤器呼吸孔关闭，使空气清洁和干燥。
youdao
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From the inside Breath hole closed by Breath filter to make air clean and dry.
由内而外的呼吸过滤器呼吸孔关闭，使空气清洁和干燥。
youdao