This paper introduces the technique of millisecond extruding blasting with wide hole space in city cutting excavation.
本文介绍宽孔距微差挤压爆破技术在城市路堑开挖中的应用。
2
In the design of articulation hole bolt, the blur variable and random variable existing at the same time, the blur reliability design method of shear strength and extruding strength are approached.
探讨了在铰制孔用螺栓设计中，模糊变量与随机变量同时存在时，抗剪强度与挤压强度的模糊可靠性设计方法。
3
The steps for punching and extruding the splined hole can be finished by a special die which is designed by the invention by a press.