1.
Energetic-Particle Depositing Hard-Lubricated Films for Drilling Implements
载能粒子沉积用于钻探机具的硬质润滑薄膜
2.
The Development of the Light Hydraulic Driven Coring Drill and Tools for Soft Sediment;
轻便型松散（软）地层原状取心全液压钻探机具的研制
3.
Diamond core drilling equipment conventional system
GB/T16950-1997金刚石岩心钻探钻具设备
4.
Diamond core drilling equipment--Wire line system
GB/T16951-1997金刚石绳索取心钻探钻具设备
5.
tool joint for well-drilling machines
工具接头,钻井机用
6.
hand-held non-electric power-operated boring tools
手提式非电动机动钻具
7.
Turns on Lathe Digs Drilling Machine Construction Drill Hole Filling Pile Craft to Discuss
旋挖钻机施工钻孔灌注桩的工艺探讨
8.
engineering boring and drilling devices
工程钻探和掘进机械
9.
The analysis of reasons for drilling accidents in drilling sites and its treatment
钻探孔内钻具事故原因分析及处理措施
10.
drill ,interchangeable, of base metal, for hand or machine tolls (excl. those for rock drilling or earth boring)
钻头,可互换式,贱金属制,手工具或机床用（不包括凿岩或钻土用钻机）
11.
Research on Direction Control Techology of Auger Drill Miner Drill
螺旋钻采煤机钻具定向控制技术的研究
12.
Structural Design and Mechanism Study on Water-saving Rotary Percussive Devices;
节水型回转冲击钻具结构设计与钻进机理研究
13.
Study on the Mechanism of Drilling Tools Corrosion in Drilling Fluids and Inhibitors for This System;
磺化钻井液中钻具腐蚀机理和缓蚀剂的研究
14.
Discuss of Effectiveness Lose Inducement and Damage to BHA in Wet H_2S Environment
钻具失效诱因及湿H_2S环境危害探讨
15.
Application of Alloy High-Chromium Cast Iron to the Drill Bit of Furnace Breaker
合金高铬铸铁在拆炉机钻具中的应用
16.
The hand - operated or hand - powered holder for this implement.
钻孔机此工具的手动或手工操作的夹具
17.
IT is used for stabilizing drill tools during the drilling of oil, gas and geological exploration.
在石油、然气及地质勘探钻井过程中稳定钻具所采用的一种稳定器。
18.
offshore drilling
海底钻探;海上钻井;海上钻探;海洋钻井;海洋钻探;近海钻探;滨外钻探