| 释义 |
Respirators,Air Purifying | 《英文msh词典》Respirators,Air Purifying | | [入口词] Respirators,Air Purifying | | [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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