三种可调式滚轮架：手动丝杆可调式、手动螺栓移位式和电动滑板移位式。
Three types of adjustable turning rolls: manual lead screw adjusting, manual bolt shifting and electric sliding plate shifting.
移动部件均由进囗滚珠丝杆及直线构成。
Moving parts are imported of ball screws and straight line rail.
纸板尺寸调节采用丝杆调整机构，一人操作，简易快速。
Cardboard size adjustment adopts screw roller adjusting system, one man operating, simple and fast.
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