当普通螺钉和锁定螺钉同时应用是，应先使用普通螺钉。
In cases where both - conventional screw and locking head screws are applied - it is necessary to apply the LHS after the conventional screw.
若普通螺钉后使用，螺钉-骨界面载荷将过大、螺钉亦无效。
If the conventional screw would be applied after the LHS, the screw – bone interface would be overloaded and the screw would be worthless.
如需经常拆卸，建议不要用普通螺钉固定，而使用广告螺钉。
If dismounting happens frequently, it is proposed that AD screws should be used for fixing instead of common screws.
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