风力分级 meaning in English
air cla ification
air classification
air sizing
pneumatic sizing
wind classification
Examples
- Particle size analysis ; size analysis by air classification with centrifugal counterflow classifier
粒度分析.用离心逆流分粒器风力分级法进行粒度分析 - Particle size analysis ; size analysis by air classification with gravitation - counterflow elutriator
粒度分析.用重力逆流筛分机的风力分级法进行粒度分析