air classification

基本解释

Air classification can be used to separate a flour into fractions with different ratios of protein to starch.
气力分级可用来将面粉分成不同蛋白质一淀粉比率的级分。
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Systems include primary and secondary screening, metals separation, air classification, and primary and secondary pick lines.
这一系统包括初级和次级筛选、金属分离、分类以及初级和次级高峰线。
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The problems in controlling upper size and lower size of feed into an air solid fluidized bed were discussed, and then an air classification technology of moist raw coal was introduced.
讨论了空气重介流化床分选对入料粒度上下限的控制方法和存在问题，介绍了潮湿原煤空气分级新方法。