respirator

常见例句

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 Department of Health has focused on getting what are known as respirator masks. These have filters, which stop a person breathing in some particles in the air.
卫生部重点准备那些带过滤装置的口罩，这种口罩的过滤器可以防止人吸入空气中的一些微粒。
She also said it was important they were correctly fitted - some of the more expensive respirator masks are molded to fit the face unlike standard masks that can be bought on the high street.
她也说佩戴尺寸合适的口罩很重要——一些比较贵的过滤式口罩是按照人的脸型制作的，不像在大街上就能买到的那些标准口罩。