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空心无头加压螺钉
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商品说明
创新点: Features: ● 变螺距加压-变间距螺纹和锥形设计在骨折面加压,使断裂部分溶为一体促进愈合 Variable Thread Pitch -The wider thread pitch at the tip of the screwpenetrates the bone faster than the finer trailing threads |