swivel expansion screw的意思|示意
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旋转膨胀螺钉
swivel expansion screw的网络常见释义
转环式扩弓螺钉 ... grooved bone screw 释义：有槽(接)骨螺钉 swivel expansion screw 释义：转环式扩弓螺钉 brace attachment for turn bone screws 释义：拧骨螺钉用手摇钻柄 ...