Drilling began to rescue the 33 workers trapped in a collapsed mine in Chile.
智利矿难救援人员开钻救生井开始营救33名被困矿工.
来源:互联网摘选Synthesis and Evaluation of Amphoteric Copolymer HTB as a Drilling Fluid Additive
钻井液用两性离子共聚物HTB的合成与其性能研究
来源:互联网摘选Core decompression and drilling decompression were effective methods to treat IOH.
髓芯减压术和钻孔减压术是治疗骨内高压的有效手术方法。
来源:互联网摘选Structure Construction Technology of Bingo 9000 Semi-submersible Drilling Platform
BinGO9000半潜式钻井平台主体结构建造工艺问题研究
来源:互联网摘选介绍随钻气侵检测仪的结构 、 工作原理及在小井眼中的应用.
来源:互联网摘选Through a comparison, the economic benefit in slim-hole drilling for coalbed gas has been analyzed.
通过与常规煤层气试验井对比, 分析了煤层气小井眼钻井的经济效益.
来源:互联网摘选Heavy torque and abrasion on casing are serious problems in drilling in slim hole.
高钻柱扭矩和套管过度磨损是小井眼钻井中存在的严重问题.
来源:互联网摘选Experiment and study of slim hole drilling technique for coalbed gas exploration
小井眼钻井技术在煤层气勘探中的试验研究
来源:互联网摘选Analysis on sealing failure of myriameter drilling mud pump plunger and improvement measures
万米钻井泥浆泵柱塞密封失效分析及改进
来源:互联网摘选Knowledge of a Geological Engineering Phenomenon in the Drilling of Sericite Quartz-Schist
对绢云母石片岩掘进中一种地质工程现象的认识
来源:互联网摘选外围油田小井眼开发井钻进参数优选技术
来源:互联网摘选研究了甲基硅酸钾的合成方法及其在油田钻井中的应用.
来源:互联网摘选
简答网 · 双语新闻

简答网 · 双语新闻
简答网 · 双语新闻

简答网 · 双语娱乐资讯

简答网 · 初中英语作文

简答网 · 四六级英语