查询词典 drilling stem

ABSTRACT The drilling tool accidents in the oil drilling fields often happen and are generally disastrous, which cause great economic losse...

在石油钻采工地，钻柱事故时有发生，一般均为恶性事故，一旦发生，便会造成很大的经济损失，严重时导致油井报废。

Several parameters including drilling depth, thickness of work piece, incident angle of laser beam, and taper degree of drilling hole are used to analyze the laser energy demand and temperature field.

本篇将藉由一项新的学模式－三维积体点热源模式为基础，计算钻孔形成所需的功以及温场。

Tapping drilling tools: gas drilling, Eucampia pneumatic drill, pneumatic tapping machine, chamfering machine.

钻孔攻丝类工具：气钻、弯角气钻、气动攻丝机、倒角机。

Committed to binding equipment products: ZYH660D folding machine, JBT50/3D4D oval Adhesive Binding of the package, JBT50/3A Oval package this machine, JBT50/4A Oval package this machine, JBB51B Adhesive Binding of the package, DQ440B riding a semi-automatic Ma Ding Shuji, TD102 single wire Ding Shuji, DH11-AB Ding Shu-box set, YP-608/808-mechanical-pressure core of the machine, NB-60 automatic stick-back, small high-performance back-Nien , SX-01 line-lock, DK-2 automatic drilling machine, DK-4-drilling machine, back-pressure.

致力于装订设备系列产品：ZYH660D折页机，JBT50/3D4D椭圆胶订包本机，JBT50/3A椭圆型包本机，JBT50/4A椭圆型包本机，JBB51B胶订包本机，DQ440B半自动骑马订书机，TD102单头铁丝订书机，DH11-AB订书订盒机，YP-608/808型机械书芯压平机，NB-60型自动粘背机，小型高性能粘背机，SX-01锁线机，DK-2型自动打孔机，DK-4型打孔机，压背机。

Main usages of the JNS: steel-covered chimneys and flues used in thermal power stations, preheating devices, de-sulfurization equipmentschemical storage vessels, atmospheric pre-heating devices, boiler press vessels,rubbish incinerator,blowers,containers , railway vehicles, drilling derricks, oil-drilling-platforms and other vessels for sulfuric corrosive medium contained in chemical industry facilities.

JNS的主要用途：火电厂的钢套筒烟囱及烟道、预热设备、脱硫设备、化学储罐容器、空气预热器、锅炉压力容器、集装箱、铁道车辆、石油井架和采油平台以及化工石油设备中含硫腐蚀介质的容器等。

Shapes are: round, semi-circular, square, rectangular, horse eye, pear-shaped, side ladder, egg, heart-shaped, triangular, five-pointed star, plum,é, drilling in the drilling, Kite, fan-shaped, diamond-shaped bridge shape, octagonal column, precious stones have finished at the end of noodle can be divided into conventional face, a pointed end, double tortoise, flat-bottomed, such as Su-noodle.

形状有：圆形，半圆形，正方，长方，马眼，梨形，梯方，蛋形，心形，三角形，五角星，梅花，滴珠，钻中钻，风筝，扇形，菱形，桥形，八角柱等，宝石成品面底有可分为常规面，尖底，双龟，平底，素面等。

Because the cement mortar solidifying time is long,it affected the efficiency of the drilling;If the strength of mortar is not enough during drilling operation,slagging water in the drill hole will run out some mortar,affect the pipe's stability and hole's quality.

由于水泥砂浆固结时间长，影响了钻进的工效；若在砂浆凝结强度不够时进行钻进作业，则钻孔施工的排渣水会将部分砂浆冲出，影响套管的稳定性和成孔质量。

In this paper, a combination of drilling is illustrated in the design of machine tools to complete the four-hole drilling pump shell processes.

本论文则说明钻孔的组合机床的设计，用来完成钻油泵壳体四通孔的工序。

Durng the construction of continuous underground wall, after the hole is drilled by special drilling machine to set depth, grout is first pressed via the core tube of drilling rod to the hole, sealing device and the reinforced bar cage are then set in the hole, and concrete is finally deposited with the displaced grout is recovered.

本发明涉及一种地下连续墙的施工方法，用专用钻孔机钻孔，达到预定深度后，经钻杆内芯管向孔底压注水泥浆，直至浆面高于易塌孔位置，在注满水泥浆的槽孔中放置封口器，再放钢筋笼，从孔底开始灌注砼，同时由孔中回收被砼置换上来的水泥浆。

A computer aided test system for testing the performance of screw drilling tool s and screw drilling motors are developed.

开发了螺杆钻具、螺杆泵性能计算机辅助测试系统，介绍了该系统的硬件构成以及数据采集处理软件的模块功能及设计方

Eight cases of simple chordee of penis were adopted urethral extending.9 cases of severe simple chordee of penis were adopted primary urethroplasty.

8例单纯性阴茎下弯患者采取尿道延伸术，9例重度阴茎下弯患者采取切断尿道矫直阴茎一期尿道成形术。

She is a daintily dressed young lady.

她是个装饰娇艳的少女。