查询词典 tip of drill

This paper first presents the balance principe of moment for sub mersible drill without rod. The model test proved that the principle is correct and the performance of the drill is superior.

本文首次提出力矩平衡无钻杆钻机的概念，通过模型试验证明了设计思想的正确性和钻机性能的优越性，揭示了主要因素与平衡的关系。

The factory can be based on user needs to provide drill support programmes, and the application of rock drill bit design.

本厂可根据用户的需求提供钻具的配套方案，及适用岩层钻头的设计。

YDT26 Electric-hydraulic Rock Drill Set is one of a series of products developed on the basis of YDT31 Electric Rock Drill.

YDT26型电液凿岩机组是在YDT31型电动凿岩机基础上发展起来的系列产品之一。

Is a technical enterprise which professionally engages in the research, development, manufacture and technical service of down-hole drill, rock drill and other types of perforation equipment.

宣化科信机械技术有限责任公司是专业从事潜孔钻机，凿岩机械及其它类型穿孔设备研究，开发，制造和技术服务的科技型企业。

The product mainly serves the die making…The main product includes: The drift, floats rises the tree top/roof bar, the request needle, the flat thimble, the guide pillar, the guide sleeve, the auxiliary/ball bearing guidance, the independent guide pillar, the pould frame, the ball bearing wrap, the date chapter, the punch press safety/sheet iron separator, the counter, the mold spring, the filter, the contour sleeve, the feather piece, hit the screw, the roof bar, Si Tong, the runner wrap, silver steel, the screw rod, the nut, the engine bed appendix, the anaerobic glue water, the rust-preventing agent/release agent, the side lathe tool, a Yuan lathe tool, the flat lathe tool, the tipped tool, the grinder to approve the gentleman the milling cutter, to drill ju, the screw die, the thread chaser, the spanner, the polishing polish thing, the thread plug gage, the resin shutter, the suspension loop, wash the slate pencil, the cowhide wheelhead, the rubber wheelhead, the steel figure, the wool wheelhead, the sponge the wheelhead, the red lead, the emery paste, the province copper paste, the oilstone, the diamond attrition fat stone, to divide the stick, in six jiao spanners, the measuring instrument, to drill the cartridge, to frustrate the knife, the knife handle, the knife grain, to stop the cock, the molybdenum silk, the dresser, the cutting piece and so on nearly hundred kind of mold hardware fitting.

产品主要服务于模具制造…主要产品有：冲头、浮升梢/顶杆、托针、扁顶针、导柱、导套、辅助器/滚珠导向件、独立导柱、模架、滚珠套、日期章、冲床安全器/铁板分离器、计数器、模具弹簧、过滤器，等高套筒、销钉、塞打螺丝、顶杆、司筒、浇口套、银钢支、螺杆、螺母、机床附件、厌氧胶水、防锈剂/脱模剂、方车刀、元车刀、扁车刀、焊接车刀、磨床批士铣刀、钻咀、丝攻、板牙、扳手、抛光打磨用品、螺纹塞规、树脂开闭器、吊环、洗石笔、牛皮磨头、橡胶磨头、钢字码、羊毛磨头、海棉磨头、红丹、钢砂膏、省铜膏、油石、钻石研磨膏油石、分中棒、内六角扳手、量具、钻夹头、挫刀、刀把、刀粒、止水栓、钼丝、打磨机、切割片等近百种模具五金配件。

In consideration of the problem of drill pipe bending steering in radial horizontal well drilling, ANSYS software is used to simulate its major influencing factors, such as slideway trajectory curvature, clearance, working pressure, roller shape and position and thickness of drill pipe by establishing a finite element model for the bending steering mechanism.

针对径向水平井钻进中钻杆弯曲转向前进运动困难的问题，通过建立弯曲转向机构仿真有限元模型，对其主要影响因素：滑道轨迹曲率、间隙、工作压力、滚轮形状与位置和钻杆壁厚等用ANSYS软件进行仿真研究。

Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established.

建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。

Twist drill flute is an important part of the drill bit.

麻花钻螺旋槽是钻头的重要组成部分。

The twist drill is the most common type of metal working drill .

麻花钻是最普通的金属加工钻头。（不译最普通类型的金属加工钻

The geometry in the web of a twist drill is the key factor determining the cutting performances of the drill.

麻花钻钻心部分的几何参数，是决定钻头切削性能的关健因素。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。