氧气呼吸器常应用在有毒作业区 ,它对于作业人员起着十分重要的防护作用。使用氧气呼吸器的人员必须事先经过专门培训学习。使用者在每次使用前应检查面罩大小是否适合于使用者 ;氧气瓶的压力是否充足 (瓶内的压力必须在 10 0ｋｇ/ｃｍ2 以上时方可使用 )。在使用过程中如发现 Oxygen breathing apparatus is often used in toxic operating area, it plays a very important protective role for the operator. Personnel using oxygen breathing apparatus must be specially trained to learn beforehand. The user should check the mask size for each user before use; the oxygen bottle pressure is sufficient (bottle pressure must be above 10 0kg / cm2). If found during use