"外科口罩"是个多义词，它可以指手术室感染控制用品,中华人民共和国医药行业标准,外科口罩
一、根据不同的操作要求选用不同种类的面部劳保用品 ( 一)口罩 1 ．外科口罩(surgical mask)：符合YY 0469，为无纺布或复合材料制成，采用系带。3层材料分别为：外层抗水、中层吸附、内层吸湿，并带有鼻夹。
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医用外科口罩技术要求 Technical requirements for surgical mask
一般/外科口罩 Face/surgical masks
医用外科口罩 Medical surgical masks ; surgical mask
儿童外科口罩 children's surgical mask
医用外科口罩白色 medical surgical mask white
买赠医用外科口罩 buy a free medical surgical mask
医用外科口罩儿童 children's medical surgical mask
儿童医用外科口罩 children's medical surgical mask
无纺纤维外科口罩 [医] nonwoven fabric surgical face mask
它们比标准的外科口罩或有时建筑工人使用的防尘口罩要有效得多。
They are much more effective than the standard surgical masks or dust masks that are sometimes used by builders.
目的评价不同企业生产的医用外科口罩对细菌气溶胶阻留效果。
Objective to evaluate the efficacy of surgical masks produced by different enterprises in stopping bacterial aerosol.
外科口罩对于阻隔极小微粒并不十分有效，而纸制口罩根本无效。
The surgical mask is not as effective at trapping tiny particles and the paper mask is not effective at all.
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