《英文msh词典》Respirators,Air-Purifying
[同义词] Respirators,Air-Purifying
[主题词] Respiratory Protective Devices
[中文释义] 呼吸器,空气净化
[英文释义] Respirators to protect individuals from breathing air contaminated with harmful dusts,fogs,fumes,mists,gases,smokes,sprays,or vapors.