The connecting pole can be a screw connecting with the drill body and can also be a back extending section of the drill body.
所述连接柱可以是螺纹连接于钻体也可是钻体向后延伸的一段。
The interior circumferential wall of the connecting pole can be equipped with the thread hole or the taper hole connecting with a machine tool and an electric drill.
连接柱的内圆周壁上可设有与机床和电钻连接的螺纹孔或锥孔。
The interior circumferential wall of the connecting pole can be equipped with the thread hole or the taper hole connecting with a machine tool and an electric drill.
连接柱的内圆周壁上可设有与机床和电钻连接的螺纹孔或锥孔。
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