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。

youdao

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。

youdao

Matters got worse when Hreidarsson had to be stretchered off with an oxygen mask on his face after suffering a serious Achilles injury.

BBC: Portsmouth face injury crisis for FA Cup semi-final

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