The pellet filter intercepts the particulate matter. 颗粒过滤器将颗粒物进行拦截。
The development and application for full-flow dilution tunnel sampling and analyzing systerm for particulate matters from vehicle emission. 则主要描述了自主研发的全流稀释通道采样及分析系统在机动车排放颗粒物研究中的应用与发展。
