先进的粉末分级、收集技术使得其中2号- 3号合金焊粉不含小于20um的粉末。
Advanced powder classification and collection technology enables Type 2-type 3 alloy welding powder free of powder smaller than 20um.
适用于料物的颗粒分级选别及粉末、液体的筛分。
Suitable for grading granulated stuffs and screening out powder and liquid.
应用流态化-动态悬浮沉降干法分级新工艺制备的分级钨粉，采用薄料层静态法，对粉末体氧化动力学进行了研究。
Using the thin layer static method, the oxiding kinetics of W powder have been studied. The powder for study is classified by fluidized new technique.
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