oxygen face mask

常见例句

双语例句

• The results can be applied to the analysis of 3D face feature and design of oxygen mask and face-protecting equipment.
  所获得的结果可用于分析面部三维形态特征，并为供氧面罩等面部防护装具的造型设计提供依据。
• 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。

权威例句

• An ALA billboard ad in Michigan targeted House Energy and Commerce Committee Chairman Fred Upton, featuring a child with an oxygen mask over her face.
  FORBES: EPA's Secret And Costly 'Sue And Settle' Collusion With Environmental Organizations
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