Aiming at the problems exiting in grain classification at present, a vertical multistage waterpower device was developed to realize abrasive narrow-grade-classification.
本文主要针对目前磨料微粉分级存在的困难，自行研制了垂直式多级水力分级装置来实现磨料微粉的窄粒级分级。
Aiming at the problems exiting in grain classification at present, a vertical multistage waterpower device was developed to realize abrasive narrow-grade-classification.
本文主要针对目前磨料微粉分级存在的困难，自行研制了垂直式多级水力分级装置来实现磨料微粉的窄粒级分级。
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