The best system is called an SCBA (self-contained breathing apparatus) system.
最好的呼吸器系统称为scba(自给式呼吸器)系统。
Personnel, including rescue workers, should not enter areas where the oxygen concentration is below19.5%, unless provided with a self-contained breathing apparatus (SCBA) or airline respirator.
除非备有自己式呼吸器（SCBA）或空气管呼吸器，任何人，包括救援人员，都不能进入氧浓度低于19.5%的区域。
Specific PPE, including acid suits and self-contained breathing apparatus (SCBA), may be required if the cylinder must be approached.
如果必须接近钢瓶，要求穿戴特殊的PPE，包括防酸服和自给式呼吸器(SCBA)。
Safety glasses, safety shoes, and leather work gloves are recommended to handle cylinders. In emergency situations, wear a self-contained breathing apparatus (SCBA).
当操作钢瓶时，推荐使用安全眼镜、安全鞋和皮制工作手套。紧急形势下，使用自给式呼吸器。
Safety glasses, safety shoes, and leather work gloves are recommended to handle cylinders. In emergency situations, wear a self-contained breathing apparatus (SCBA).
当操作钢瓶时，推荐使用安全眼镜、安全鞋和皮制工作手套。紧急形势下，使用自给式呼吸器。
应用推荐