他们一辈子都是圆洞里的方钉。
并且软膜龙骨只需用螺丝钉按一定距离均匀固定即可，安装十分方便。
And only soft keel with screws evenly and can be fixed at a certain distance, the installation is very convenient.
但是，第一节课的快下课了，我无奈的发现，我只剩下了一个方楔子和一个圆形小钉板。
And yet, in the period between first recess and orange juice time, I had faced the bitter reality that all that was left was a square peg and a round hole.
本方介绍了使用缝合锚钉结合krackow—bunnell缝法修复急性髌腱断裂。
This article describes using suture anchors for repair of the acute ruptured patellar tendon with a combination of Krackow and Bunnell sutures.
有敲击式、螺旋钉式、内六方螺钉式三种结构形式供选择；
The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type.
有敲击式、螺旋钉式、内六方螺钉式三种结构形式供选择；
The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type.
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