Respirators may help protect your lungs, however, some biological contaminants may be absorbed through the skin or eyes and other protective equipment may be required.

 
  • 防护口罩虽可帮助保护你的肺,但有些有害微生物会经过皮肤或眼睛吸收,你还需要其它的防护设备。
今日热词
目录 附录 查词历史