The article on the hook is attached to the wall surface, so that the screw has smaller moment and can be used for hanging heavier articles.
钩挂的物体紧贴壁面，螺杆所受力矩较小，可悬挂更重的物品。
A number of authors have shown improved curve correction with screw-only and hybrid constructs over hook constructs.
许多作者已经显示全螺钉构型或混合构型比全钩构型侧弯矫形效果好。
A number of authors have shown improved curve correction with screw-only and hybrid constructs over hook constructs.
许多作者已经显示全螺钉构型或混合构型比全钩构型侧弯矫形效果好。
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