1.
Orthogonal Optimization Test of Vacuum Diffusion Welding of Self-oscillating Pulsed Jet Nozzle of Drilling Bits
石油钻头自激振荡脉冲喷嘴真空扩散焊接工艺正交试验研究
2.
Threads on rotary shouldered connections for petroleum industry
GB/T9253.1-1999石油钻杆接头螺纹
3.
Petroleum equipment--Thread gages for rotary shouldered connections
GB/T4749-1993石油钻杆接头螺纹量规
4.
Development of polycrystalline diamond composite and its drilling bit for oil and gas
金刚石复合片及其石油、天然气钻头发展概况
5.
mixed oil drilling rig
复合式石油钻井钻机
6.
An oil platform.
钻井平台石油钻井平台
7.
a bit used in drilling for oil.
油田钻井使用的钻头。
8.
He essentially, sold drill bits to oil-drilling companies.
翻译为：他其销者，卖钻头给开采石油的公司。
9.
The Design and Its Experimental Researcch of a Drill Bit for Down-hole Casing Drilling
石油井下套管开孔钻头设计及试验研究
10.
Analysis of forces on the graphite mold of core bit for oil during hot pressing
石油取芯钻头石墨模具在热压过程中的受力状况分析
11.
A needle-shaped drill for boring holes in rock or masonry.
钻头，钻石器，钻孔器用于在岩石或砖石上钻孔的针形钻
12.
Comparative analysis of drilling characteristics of dia- mond bits and roller bits
金刚石钻头与牙轮钻头钻井特点对比分析
13.
They'll sink a well in search of petroleum.
他们将钻井找石油。
14.
The oil rig is now fully operative.
石油钻塔现全面开工.
15.
anoffshore oil rig, island, anchorage
近海的石油钻塔、 岛、 锚地
16.
in mountains and under the sea to look for oil.
山脉和海洋里钻探石油。
17.
drilling for oil in the desert
在沙漠中钻探石油.
18.
A study of the surface crack at thread root of tool joint pins by the aid of finite element method.
石油钻杆公接头螺纹牙根部表面裂纹有限元计算