shaft drilling的例句大全

One portable three-shaft drilling machine can complete the drilling to two racks'50'60', carrying is convenient, and acquisition cost of equipment is reduced.

用一台该钻孔机可完成对“50”“60”两种道轨的钻孔，携带方便，降低了设备的购置费用。

Development of Coal Mine Shaft Drilling Machine in Our Country

我国煤矿竖井钻机的发展

Discussion on full face pull construction technology of the deep mine shaft drilling method

钻用钻井机钻（矿井）深立井钻井法全断面一次钻进施工技术的探讨

According to probabilistic theory, load on drilling shaft lining is respectively modelized.

根据概率理论, 将作用于钻井井壁上的荷载分类模化.

The results of research in this article would provide a theoretical and arithmetic method for the fluid-structure interaction analysis of the rotary slender shaft, the stirring shaft in the chemical engineering machinery and the rod string and drill string in the oil drilling and production engineering.

本文研究成果可为化工机械中的细长旋转轴和搅拌轴、石油钻采工程中的抽油杆柱和钻柱的固液耦合分析提供了理论基础和计算方法。

Application of New Drilling Shaft Machine in Big Diameter Shaft of Deep Alluvium

新型煤矿竖井钻机在深厚冲击层大井径井筒施工中的应用

The status-quo of slim hole drilling technology in China and the world To bore ( a shaft) with a trepan.

国内外小井眼井钻采技术的发展现状钻用钻井机钻（矿井）

In drilling an oil well, mud is used to lubricate the cutting bit. To bore ( a shaft) with a trepan.

钻油井时，泥浆被用来润滑钻头。钻用钻井机钻（矿井）