powder screen造句

• Abstract : the description is given to features in producting zinc power with redistillation and condensation and optimization of zinc powder screen classification by introducing pneumatic classifier for yielding variety of and high - quality zinc powder product
  文摘:介绍了精馏冷凝法生产锌粉的特点及引入气动分级机优化锌粉筛分分级流程，产出多品种、高质量的锌粉产品的生产实践。