grading principle

英 美
  • 分选原理
  • grading n.等级;分阶段;坡度缓和动词grade的现在分词.
  • principle n.原理;原则;主义;信念
    1. This review elucidates the significance of developing air heavy medium fluidized bed separation technology.The principle of separation and bed characteristics are introduced.
      本文阐述了开展研究空气重介质流化床分选技术的意义,介绍了空气重介质流化床分选原理和空气重介质流化床的床层特性。