Source text - English There are five edge alignment rings machined into each spindle to assist the operator in the alignment of the material edges. The material supply rolls should be loaded in the same location on each spindle, relative to the alignment rings.
Translation - Chinese 每根轴上都装有5个基准环以方便操作者对齐材料边缘。根据基准环, 每根轴上的装料滚筒，都需安装到相同位置。
Bachelor's degree - Chang'an University
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