In this paper, trial-manufacture and application of sandwich structure on diamond drill bit were studied.

This sharpener is applicable to sharpening of such cutting tools as mill cutter, reamer, and drill bit, etc.

本磨刀器适用于立铣刀、铰刀 、 钻头等多中刀具的磨削,结构简单 、 操作方便、经久耐用.

When he congeed to his friends, he said " you must keep in touch with me "

向朋友告别时, 他说 “ 你一定要与我保持联系. ”

He has congeed with the King.

他已经跟国王告别过了.

Lower Wearing of Drill Bit and Punching Die.

机械加工性优秀,对钻孔、冲模磨损小.

The basic principle and the method of oil drill pipe end upsetting process were presented.

介绍了石油钻杆端部镦锻加厚工艺基本原理及加厚方式.

The design of non-dig drill pipe end-upsetting product line autocontrol system were introduced in this paper.

介绍了 非 开挖钻杆管端加厚生产线自动控制系统的设计.

Lower the drill pipe joint into the mouse hole, and remove air tugger and lifting cap.

下放单根进小鼠洞, 摘掉气动绞车和提丝.

If drill pipe can be risen to go out, the well is entered below bushing inside.

若钻杆能被起出, 则套管下入井内.

In drilling engineering, drill pipe often sticks in salt formation because of wellbore shrinkage.

在钻井工程中, 盐岩层井眼易发生缩径卡钻.

This heavy-duty type drill collar lifting sub is designed for use with the drill pipe elevators.

重型钻铤提升短节与钻杆吊卡一起用来上吊钻具.

After the drill pipe passing through the slide, they will not touch each other again.

当钻头离开导入段后, 导入段与钻杆不再接触.

CASTON has experts from Xuanhua machinery plant with superiority down-the-hole drilling tool and anchorage drill pipe.

凯司通公司拥有多名原宣化采掘机械厂的专家和工程技术人员,在潜孔、锚固钻杆生产方面具有无可替代的优势.

Before and after operation, count the drill pipe pipe rack to verify tally figures.

操作前后, 数一下钻杆架上的钻杆数量,和钻杆记录表核实.

Drilling condition is very complex in Tarim Oilfield, and drill pipe failure accidents often are occurred.

塔里木油田钻井条件苛刻, 钻杆失效事故频繁发生.

Tail the drill pipe with rope as It'swings through the V-door.

因为钻杆经过井架大门坡道时来回摆动,要在钻杆上拴上尾绳.

Manner according to weld steel into Longitudinal and drill pipe.

钢管按焊缝的方式分成直缝焊管和电钻焊管.

This technology controls welding parameter exactly, and improves welding quality for drill pipe.

使用该技术,能及时、准确掌握焊接参数, 提高钻杆焊接质量.

The factory has a set of machine tools, surface grinder, planer, drill press, and so on.

厂里有成套的机床 、 平面磨床 、 刨床 、 钻床等.

The factory owned CNC lathes, milling machines universal, general lathes, milling machines, drill press.

本厂拥有数控车床, 万能铣床, 普通车床, 铣床, 钻床.

Existing instruments cars, lathes, milling machines, drill press, Saw, welcome customers to negotiate!

现有仪表车 、 车床 、 铣床 、 钻床 、 锯床等, 欢迎客户前来洽谈!