论述了径向负前角硬质合金滚刀的设计及切削条件。
Design and cutting condition of carbide hob with radial negative front Angle were discussed.
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使用手工刀继续刮掉先角上剩余的老皮头。
Use a box knife to continue to shave off the old tip.
这把刀的柄是用角制成的。
The handle of this knife is made of horn.
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