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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Technical requirements for surgical mask 医用外科口罩技术要求
a surgical mask 手术口罩
Medical Surgical Mask 医用外科口罩
surgical and industrial face mask 手术及工业用口罩
non woven surgical face mask 口罩
surgical face mask 手术用口罩
surgical l mask 手术口罩
nonwoven fabric surgical face mask 无纺纤维外科口罩
以上来源于: WordNet
As the scalpel cuts deeper, Liau's eyes are tense above her surgical mask.
当解剖刀切得更深的时候，在外科口罩上面，Liau的眼睛里显得很焦急。
A lone pedestrian, his face hidden by a white surgical mask, hurried by, hunched and silent.
一个孤单的路人匆匆走过，他带著口罩，耸著肩膀，很沉默。
When you wear a properly fitted surgical mask, it ACTS as a barrier between the germs and your face.
当您戴着大小合适的医用口罩时，它会在细菌和您的脸之间形成一道屏障。
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