查询词典 auger drill

In view of the improper matching of the strength-toughness for domestic petroleum drill pipe sub,the influence of the chemical compositions and metallurgical quality of 37CrMoE steel used for drill pipe sub on its mechanical properties,as well as the effect of the metallurgical quality on the hardenability,were analyzed.

针对国产石油钻杆接头存在强韧性配合不良的问题，试验研究了钻杆接头用37CrMoE钢的化学成分和冶金质量对其力学性能的影响，以及冶金质量对淬透性的影响。

Drill Collars - The drill collars are thick-walled heavy steel tubulars used to apply weight to the bit.

钻铤：钻铤是厚壁重钢管，用于给钻头施加钻压。

Emperor Qianlong then looked at this strange scene, the letter Yin to the mouth:"Beyond the Great Wall is like a golden yellow nail land" scholar Ji Xiaolan immediately correct answer:"Beijing is like silver in the 100 drill tower drill days."

当年乾隆望着这奇特的景象，信口吟到：&塞外黄花恰似金钉钉地&大学士纪晓岚立即答对：&京中百塔犹如银钻钻天&。

The technical characteristic of a pendulum drill assembly is to lose "penetration rate"in order to get"dropping angle", but sometimes a pendulum drill assembly can't meet the need of drop—off hole angle, which results in longer completion well cycle and more drilling cost.

防斜打直是常遇到的钻井技术问题，防斜的钻具组合是满眼钻具，纠斜的钻具组合是钟摆钻具，当满眼钻具满足不了井斜控制的要求，就必须强迫起钻换钟摆钻具，而钟摆钻具的技术特点是损&快&保&直&，有时还达不到纠斜要求，导致较长的建井周期和较高的钻井成本。

The product has five serried and more than eighty specifications. The main products are electric hammer,electric planer, electric drill,circular saw,electric shears, impact drill,angle grinder,vertical grinder,electric floor sander,stone cutter,formed material culter,grass mower,electric lopping shears etc.the company attaches importance to improving product quality and service level.

公司已形成了以&光明&牌为主导的五大类八十多个品种的生产规模及销售网络，其中主要产品有：电锤、电刨、电钻、电园锯、电剪刀、冲击钻、角向磨光机、直向砂轮机、地板砂光机、石材切割机、型材切割机、剪草机、剪枝机等，并取得国家&CCC&认证、&ISO9002&质量体系认证，可提供&CE&、&UL&认证的产品。

The drill pipe s in some oil fields were diapired badly and continually and the diapiric happened to the intermediate belt's disappearance of drill pipe s.

钻杆刺漏大都发生在钻杆加厚过渡带消失处，优化选择钻杆加厚过渡带几何尺寸是重要的措施。

The drill pipes in some oil fields were diapired badly and continually and the diapiric happened to the intermediate belt 's disappearance of drill pipes.

钻杆刺漏大都发生在钻杆加厚过渡带消失处，优化选择钻杆加厚过渡带几何尺寸是重要的措施。

In part Ⅲ, effects of abnomal states in drilling process, such as drill wear, drill breakage, chips clogging etc, on feeding force and motor power will be studied in experimental way.

由此推导出了考虑刀具磨损的新的切削力理论公式，在此基楚上，提出了用静态、动态切削力信号监控刀具磨损的基本思想。

Meanwhile, the microstructures and mechanical properties of friction welded drill pipes have been compared with those of hot-upsetting drill pipes.

试验结果表明，采用摩擦焊接及焊后调质热处理工艺制造的DZ60地质钻杆焊接接头的常规力学性能指标均高于地矿部DZ60地质钻杆管材的技术标准规定的数值，并优于采用现行热墩粗工艺制造的钻杆管材的力学性能数值。

The mechanical properties and metallographic structures of the friction welded drill rod and the hot upset forged drill rod pipe are compared.

本文叙述了这种钻杆的焊接性，并与采用热镦粗工艺生产的钻杆管体金相组织和机械性能进行了对比。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48