醫(yī)用口罩 Masks for medical use; Medical mask   

外科手術(shù)口罩 Surgical mask   

"非典"與口罩 SARS and Mask   

手術(shù)口罩 Surgical mask; Surgical masks   

外科口罩 Surgical mask   

防護(hù)口罩 Protective Face Mask; Protective respirtor

麻醉口罩 Anaesthesia mask   

防塵口罩 Respirator; Dust mask; Dust-Proof Mask; Anti-dust respirator   

衛(wèi)生口罩 Health gauze mask   

防毒口罩 Anti-poison respirator   

紗布口罩 Cotton cloth respirator; Gauze mask; Gauze face mask   

防毒口罩 Anti-poison respirator 

拋棄式防塵口罩 Filtering-Facepiece Respirators