Another choice is a circular bar with a bead that screws on to either end. 另一种选择是一个圆形的酒吧与小珠螺丝要么结束。
The usual cutting methods for hard and brittle materials are diamond circular saw blade, diamond frame saw, diamond hand saw and diamond bead saw etc. 常用的硬脆材料的切割方法有:金刚石锯片切割,金刚石框架锯切割,金刚石带锯切割,金刚石串珠锯切割等。
Design and application of prior-grinding undercutting hob with large circular bead 大圆角沉切留磨滚刀的设计与应用