該產(chǎn)品是新一代大容量正壓氧氣呼吸器吮铭，人體呼吸與外界完全凡盔，可以防止外界有毒有害氣體吸 入节值【耍可廣泛適用于礦山、化工等行業(yè)在發(fā)生有毒有害氣體及缺氧時(shí)决记，進(jìn)行搶險(xiǎn)和幫助遇險(xiǎn)人員逃生時(shí)使用

The product is a new generation of large capacity of positive pressure oxygen respirator. Human respiratory isolation, can prevent toxic gas inhalation. When the mining, chemical and other industries in the event of poisonous gas or hypoxia, for rescue or help people in danger to escape using