| 1. | Based on this view , this paper analyzes the suitability of protective respirators to human body , and systematically puts forward such ergonomic problems as seal , respiratory resistance , dead space and field of vision about protective respirators at the angle of human facial features and bio - mechanical characteristics of head and neck 笔者从人体的面部形态与生理机能角度,分析了呼吸防护用品与人体的适配性,系统提出密合性、呼吸阻力、死腔、视野等呼吸防护用品的人机工效学问题。 |