A tip part of the lock pin is provided with a section of external thread for screwing into the high polymer material column in the lock hole of the intramedullary nail and bone cortex.
锁钉尖端部分加工一段用于旋入髓内针锁孔中高分子材料柱体和骨皮质的外螺纹。
The shading network connected to thread USES an expression to drive the displacement threading and a ramp to prevent the threading from appearing on the head and the tip of the screw.
这个材质网络用一个表达式连接到螺纹去驱动螺纹的置换和一个渐变，去防止螺纹在顶端出现和在螺纹尖部出现。
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