Key-bolt 键螺栓 ; 螺杆销
eye bolt and key 带插销螺栓
key head bolt 键头螺栓
Key-Type Head Bolt 键式螺栓
key y bolt 键螺栓
bolt key 关
reverse key head bolt 回动键头螺钉
bolt carrier key 枪闩匙
Moreover, the characteristics and key points in construction of tubular rock bolt are presented in this paper.
此外，文章还对管式锚杆的特点及施工要点进行了分析和论述。
The key position bolt of the engine include connecting rod, crankshaft, main bearing, cylinder head, flywheel and shock absorber bolt, all of which belong to bolt fastening.
发动机关键工位螺栓包括连杆螺栓、曲轴螺栓、主轴承盖螺栓、气缸盖螺栓、飞轮螺栓和减振器螺栓等均属螺纹联接。
The proper key has serrations that raise the metal pieces to the correct height above the slot, allowing the bolt to slide.
正确的关键有锯齿的提高金属片上面的槽正确的高度，使螺栓下滑。
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