Evaluation on the varieties and structures of wire rope used on heavy-duty drilling rig;
重型钻机提升用钢丝绳的品种与结构评析
Cause Analyses of Pin Joint Fracture of 139.7 mm Heavy Weight Drill Pipe
139.7mm加重钻杆外螺纹接头断裂原因分析
This diamond weighs 270 carats.
这钻石重270 克拉。
The Multi-functions of Micro-bubble Drilling Fluid for Core Drilling
微泡钻井液在岩芯钻探中的多重功效
5.2 Slug the pipe with two cubic meters of mud before pulling out.
起钻前打进两方重泥浆。
Repeating Sharpening of the Twist Drill and Computer Simulation;
麻花钻钻尖的重刃磨技术及计算机仿真
The recovered diamonds weighed eight kilograms.
寻获的钻石总重达8千克。
Barite for drilling fluids
GB/T5005-1994钻井液用重晶石粉
bit-pinching formations
钻压略重就扭矩增大转速减慢的地层
This diamond brooch is my most valuable piece of jewellery.
这个钻石胸针是我最贵重的一件珠宝。
Lost : one diamond ring. Finder will be rewarded.
寻物: 遗失钻戒一枚, 寻得者将获重酬.
Exports: crude oil, diamonds, refined petroleum products, gas.
出口:重油.钻石,原油提炼,燃气.
Measurement of Soil Bulk Density by Time Domain Reflectometry Combined with Soil Sampling;
时域反射仪结合土钻法测定土壤容重
EVALUATION STUDY ON CORE OIL & GAS DRILLING TECHNOLOGIES;
油气钻井科技发展重点内容评估研究
Re-reading Adam Smith's"Mystery of Diamond and Water"
重新解读亚当·斯密的“钻石与水之谜”
The menu navigator button is a0.25 carat diamond while more diamonds decorate the titanium body.
在众多钻石镶嵌的钛合金机身上，菜单键是一颗重达0.25克拉的钻石。
another human being equally valuable in the sight of God; a valuable diamond.
在上帝眼中，其他人都是同等贵重的；贵重的钻石。
Its main functions are maintaining borehole gage,improving drill string stability and protecting lower drill string from excessive wear.
其重要作用是保持钻头尺寸符合标准，提高钻杆稳定性，避免钻杆下部过于磨损。
"Seeing much, suffering much, and studying much are the three pillars of learning"
见识多、遭难重,钻研深是学问的三大支持