1) helical bolt
螺旋钉
1.
With an analysis of the roll shaping helical bolts, the paper proposes the reasonable deforming procedures as the bolts being under roll shaping, known as the press in semi infinite body through flat anviling.
通过对螺旋钉滚压成形的分析，提出螺旋钉的合理变形过程一平砧压入半无限体，建立了相应的工艺参数计算公式；经实验应用验证，计算简便，准确合理；为提高产品的产量和质量提供了理论依据。
2) screw
[英][skru:] [美][skru]
螺钉;螺旋
3) screw
[英][skru:] [美][skru]
螺钉，螺旋
4) screw
[英][skru:] [美][skru]
螺旋;螺钉
5) screw spikes
螺旋道钉
1.
The method described in this article is a relatively good solution to overcome the present difficulties in the replacement of the screw spikes for the present railway system of our country.
本文介绍了用涡流加热的方法更换铁路隧道螺旋道钉的技术 。
6) bolt turning tool
螺钉旋具
1.
Introduced an optimization design method of forging die with double cavity for the bolt turning tool with remarkable superior structure, enhanced using performance, service life and efficiency of the forging die with insert.
介绍了螺钉旋具双模膛镶块锻模优化设计方法,提高了镶块锻模的使用性能、使用寿命和经济性。
补充资料：铁板钉钉
1.犹言硬碰硬。比喻说话办事坚决﹑干脆。 2.比喻已成定论。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条