Because of the problems with SCBA systems, any respirator that you are likely to use will have a filter that purifies the air you breathe.
由于SCBA系统存在的不足，任何您可能用到的呼吸器都会有一个过滤器来净化呼吸所需空气。
The supplied-air respirator uses the same sort of filter cartridge found in an air-purifying respirator .
供气式呼吸器使用同样与过滤式呼吸器一样的过滤罐。
Disposable or filtering facepiece respirators are a type of respiratory protection in which the entire respirator facepiece is comprised of filter material.
随弃式呼吸防护口罩是呼吸器的一种，呼吸防护口罩的面罩整体都是由过滤材料构成的。
Disposable or filtering facepiece respirators are a type of respiratory protection in which the entire respirator facepiece is comprised of filter material.
随弃式呼吸防护口罩是呼吸器的一种，呼吸防护口罩的面罩整体都是由过滤材料构成的。
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