采用不锈钢滚筒输送物料、磁体不磨损，尤其适宜铁含量比较高的非金属矿物的提纯。
A stainless steel cylinder conveys the raw materials, so there is no wear of the magnet.
CDS生产公司的台式分类器是一款标准的台式滚动分类系统，设备包括12“表面硬化的不锈钢滚筒，可调节滚筒高度和角度。”
CDS Manufacturing builds table top roll sorters. Standard table top roll sorter system includes a pair of 12 "case hardened stainless steel rollers, adjustable roller height and Angle."
在这种音乐盒里，滚筒上的音乐编码钉片拨动一排定了音的钢齿，从而产生音乐。
Here the music is produced by a row of tuned steel teeth that are plucked by a musical pattern of pins on a cylinder.
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