一次颗粒物
primary particulate matter
多粒度多业务环境
multiple granularities and services environmen t
颗粒-颗粒传热
particle-particle heat transfer
颗粒粒度表征
particle size measurement investigation
颗粒粒度测量
particle sizing
particle size measurement
颗粒粒度分布
particle size distribution
Grain size distribution
颗粒粒度及质量
graded aggregate and substance