The carbon black dispersion for aqueous ink was prepared by sand mill.
通过砂磨分散研制了配制水性墨水用的水性炭黑色浆。
The principle, design and structure characteristic of micro sand mill were introduced. It will give some help to the study of commercializing of dyestuff.
本文介绍了微型砂磨机的工作原理、设计方法及结构特点，有助于从事染料商品化研究以及其它粉体试验的人员设计或选用。
This paper introduces briefly the sand processing history by both rod mill and vertical axis impact crusher.
本文分析了砂岩湿法棒磨工艺的现状和存在的问题，并提出了工艺改进的意见。
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