1.
The Numerical Simulation of Closed-die Forging Process for a Forging Used in Manual Electric Drills;
手工电钻钻体闭式模锻工艺的数值模拟
2.
Study on Dynamic Characteristics and Failure Mechanism of Drill String in Air Drilling
气体钻井钻柱动力学特性及钻柱失效机理研究
3.
Converting gas drilling to conventional drilling within short time
气体钻井快速转换为常规钻井的钻井液技术
4.
solid carbide subland drill
整体硬质合金阶梯钻
5.
solid carbide twist dril
整体硬质合金麻花钻
6.
The worms have perforated the mucosa to suck blood.
虫体钻入粘膜吸血。
7.
Any of various mollusks that bore into soft rock or wood.
钻蛀虫钻入松软岩石或木头中的软体动物
8.
What Caused the Pipe Sticking in Completed Wells in Block Longgang
龙岗地区气体钻井结束后卡钻原因分析
9.
EXPERIMENTAL EVALUATION ON FORMATE BASED DRILLING FLUIDS FOR GAS HYDRATE DRILLING IN OCEAN WATER
海洋水合物钻井用甲酸盐钻井液体系研究
10.
STUDY ON THE INFLUENCE OF ABNORMAL WELL BORE ON BOTTOM HOLE ASSEMBLY STRESS IN GAS DRILLING
非正常井眼对气体钻井下部钻具受力影响研究
11.
Application of Roller Bit Combination Drilling Technology in Nappe Strata of Qingxi Oilfield
牙轮钻头复合钻进在青西推覆体地层的应用
12.
Study on matrix performance of iron-based diamond bit and drilling tests
热压铁基金刚石钻头胎体性能及钻进试验研究
13.
Development of Abrasive Water Jet Drilling-cutting Aiguille and Experiment Study on Cutting Performance of Abrasive
磨料射流钻割一体钻头研制及切割特性研究
14.
To draw off(a liquid) by piercing a hole in a cask or other container.
钻孔汲取通过在桶或其它容器上钻孔来汲取（液体）
15.
Less perfect forms, known as "boat" and "carbonado" are clusters of tiny crystals.
稍次些的则由细小的晶体群组成，称为“圆粒钻石”和“黑钻石”。
16.
Compared with health and vitality, gold and diamonds are nothing valuable.
拿体力精力与黄金钻石比较，黄金和钻石是无用的废物。
17.
Study on the Drilling Project Management of Daywork Contract System Oriented HSE;
新疆钻井公司面向HSE的日费制钻井项目管理体系研究及应用
18.
A Study on Ultra High Temperature Drilling Fluid System(Ⅳ):Brine Drilling Fluid Design and Evaluation
超高温钻井液体系研究(Ⅳ)——盐水钻井液设计与评价