这种面具将口鼻完全遮盖，称为半面罩过滤呼吸器。
The mask covers the nose and mouth. These are called half-mask air-purifying respirators.
常见的全面罩过滤呼吸器，这里与提供更多保护头罩和防毒服配合使用。
A typical full-face air-purifying respirator, used here with a hood and suit for extra protection.
很多人都没有被告知什么时候更换安全面罩的过滤网。
Some are not instructed in when to change the filters on their safety masks.
如果喷涂施工是在狭小舱室内等有限空间进行时，必须佩戴通风面罩，以空压机不断送入经过滤处理的新鲜空气，以供操作者呼吸之用。
If spraying application is carried out in a limited place like narrow booth, the operator must wear a ventilated mask with an air compressor for feeding filtrated fresh air.
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.
公开了在使用固定网(12)的空气循环系统(40)中所使用的杀微生物面罩(24)和杀微生物空气过滤器(10)。
A microbicidal facemask (24) and a microbicidal air filter (10) used in an air circulation system (40) using the immobilization network (12) are disclosed.
公开了在使用固定网(12)的空气循环系统(40)中所使用的杀微生物面罩(24)和杀微生物空气过滤器(10)。
A microbicidal facemask (24) and a microbicidal air filter (10) used in an air circulation system (40) using the immobilization network (12) are disclosed.
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