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。
Cold upset female die of fillister head is the key mold in the manufacturing process of heading bolt.
冷镦圆头凹模是冷镦螺栓生产过程中的关键模具。
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