将浸泡人工汗液后的口罩展开放置在过滤性能测试仪上,打开后空气流量以32L/min通过口罩,一段时间后得到过滤性能结果。
Unfold the mask soaked in artificial sweat and place it on the filtration performance tester. After opening, the air flow passes through the mask at 32L / min, and the filtration performance results are obtained after a period of time.