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在原中心孔去除后,如要将标准轴重新磨削到新的规格,可用氰基丙烯酸酯粘合剂在轴的两端分别粘结一钮扣形黄铜块(如图),然后
In the original center hole after removal, if you want to regrind the standard shaft to a new specification, a button-shaped brass block (Figure) can be glued to both ends of the shaft with cyanoacrylate adhesive, and then