... filter-tank 过滤槽 filter-type respirator 过滤式口罩 filterability 过滤本领; 过滤率; 过滤能力; 过滤性; 滤过率; 可过滤性; 可滤过性; 可滤性 ...
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自吸过滤式口罩 self-priming filter mask
棉布组合过滤式口罩 cotton combination filter mask
自吸过滤式防尘口罩 self-inhalation filter type dust mask
自吸过滤式防微粒口罩 Self-inhalation filter type particle respirator
过滤式防微粒口罩 Filter type respirator for particles
她也说佩戴尺寸合适的口罩很重要——一些比较贵的过滤式口罩是按照人的脸型制作的，不像在大街上就能买到的那些标准口罩。
She also said it was important they were correctly fitted - some of the more expensive respirator masks are molded to fit the face unlike standard masks that can be bought on the high street.
过滤式防微粒口罩总透漏率的试验方法。
Test method for total inward leakage of filtering particle respirator.
过滤式防微粒口罩对空气流呼吸阻力的试验方法。
Test method for airflow resistance of respiration of filtering particle respirator.
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