查询词典 drill bit

The high seam drill 2000 is stainless steel construction and the cylinder rods of the 1st inner legs of the stinger and drill leg are stainless steel.

此厚煤层钻2000为不锈钢结构，且刺和钻支架的一级内支架所属的活塞杆也是不锈钢的。

The high seam drill 2000 is stainless steel construction and the cylinder rods of the 1st inner legs of the stinger and drill leg are stainless steel.

这种厚煤层钻2000为不锈钢结构，而且属于刺和钻的一级内部支柱的圆柱形架杆也是不锈钢的。

The fatigue life of the newly developed drill rod is also predicted according to the S-N curve of drill steel and its theoretical loading spectrum.

同时，结合材料的S-N曲线和钎杆的理论载荷谱，运用电算程序，预估了新型结构钎杆的抗疲劳寿命。

The high seam drill 2000 is stainless steel construction and the cylinder rods of the 1st inner legs of the stinger and drill leg are stainless steel.

这种厚煤层钻孔机2000是不锈钢结构，钻头第一内部腿架的活塞杆和钻孔机支架都是不锈钢的。

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。

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。

The teacher likes the honeymouthed little girl very much.

老师很喜欢这个嘴甜的小姑娘。

Mr. Notker Bien's interests are traveling, spending quality time with the family and long-distance-running.

诺特卡·柏恩先生热爱旅游，长跑，以及和家人一起共度美好时光。