| 单词 | Protective Devices,Respiratory |
| 释义 | Protective Devices,Respiratory《英文msh词典》Protective Devices,Respiratory [入口词] Protective Devices,Respiratory [主题词] Respiratory Protective Devices [英文释义] Respirators to protect individuals from breathing air contaminated with harmful dusts,fogs,fumes,mists,gases,smokes,sprays,or vapors. |
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