Objective To develop a new multi-purpose face mask for oxygen provision in first aid, which can be used in both war time and peace time.
第一部分多功能急救给氧新型面罩的研制目的：研制一种新型主要用于内窥镜检查时急救给氧多功能面罩，该面罩也可用于平战时伤病员的急救。
Objective To develop a new multi-purpose face mask for oxygen provision in first aid, which can be used in both war time and peace time.
第一部分多功能急救给氧新型面罩的研制目的：研制一种新型主要用于内窥镜检查时急救给氧多功能面罩，该面罩也可用于平战时伤病员的急救。
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