1.
Application of pneumatic clip for oil drilling rig
新型气动钻杆卡瓦在钻井生产中的应用
2.
Design of Automatic Pneumatic Drill Machine Control System Based on PLC
基于PLC的全自动气动钻床控制系统设计
3.
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
4.
a drill powered by compressed air.
用压缩空气驱动的钻。
5.
Design and Application of Multifunctional Drill Stems Pneumatic Clip for Oil Drilling Rig
石油钻机多功能钻杆气动卡瓦的设计及应用
6.
drilling machine, rotary, self-propelled, for oil or gas
旋转式钻机,自动推进式,油田或气田用
7.
Dynamic Simulation Study of Gas-Liquid Two-Phase Flow for Underbalanced Drilling
欠平衡钻井气液两相流动态模拟研究
8.
Research of Technology Problem with Pneumatic Downhole Hammer Core Drilling
气动潜孔锤取心钻进工艺问题的研究
9.
Design of Fluid Drive and Electrical Control System for Bore Modular Machine Tool
钻孔组合机床液压传动和电气控制系统的设计
10.
Present Situation and Development of Pneumatic Anchor Drilling Machine
气动式锚杆钻机的应用现状及发展趋势
11.
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
12.
Determining the Maximum Depth Method for Complex Formation Pneumatic DTH Drilling with the Casing
复杂地层气动潜孔锤跟管钻进最大深度的确定方法
13.
A Developing Conceive for Bundling Pneumatic DTH Hammer of Large-diameter Cast-in place Bored Pile
发展大直径钻孔灌注桩捆绑式气动潜孔锤的一种设想
14.
He heaved another sigh, screwed his head into the pillow.
他又叹口气，头向枕头里钻钻。
15.
cross-over seat
转换阀座钻屑天然气
16.
gas electric rig
天然气发电机 钻机
17.
exquisite necklace, diamond air
精致项链，钻石气派。
18.
With a diamond ring on your finger, you will have an aristocrat Bearing.
钻石戒指，贵族气派。