例句 /

The World's Reference Bioaerosol Sampler is a multi-stage, multi-orifice cascade impactor designed to measure the concentration and particle size distribution of aerobic bacteria and fungi.

The World's Reference Bioaerosol Sampler is a multi-stage, multi-orifice cascade impactor designed to measure the concentration and particle size distribution of aerobic bacteria and fungi.

世界标准的微生物采样器是多级,多孔瀑布式撞击采样器。是为测量空气中细菌和真菌微粒大小分布的浓度而设计。