“openhole cavity completion technology”的概念、定义、翻译、参考文献-科学参考

单词	openhole cavity completion technology
释义	openhole cavity completion technology Encyclopedia 工学煤层气钻井释 openhole cavity completion technology洞穴井完井工艺技术裸眼完井后，人为地在煤层裸眼井段形成一个稳定的大洞穴，以消除钻井时发生的污染，同时在井眼周围形成含有大量张性裂缝的卸载区，扩大煤层的裸露面积，提高井筒周围自然裂隙的渗透性，使井眼与地层之间实现有效连通而达到增产目的的方法。
随便看	European synchrotron radiation facility European Telecommunications Satellite Organization European Telecommunications Standards Institute European Tour European Union European Union Agency for Law Enforcement Training European Union Agency for the Operational Management of Large-Scale IT Systems in the Area of Freedom, Security and Justice European Union General Committee for Agricultural Cooperation European Universities' Charter on Lifelong Learning European valuation standards European Vegetation Archive European vegetation classification system european verbena herb European Virtual Observatory European VLBI Network European Weed Research Society European X-ray Observatory Satellite European Year of Lifelong Learning Europe a Prophecy Europe forestry Europe Pipeline Research Group europium europium-activated Eurostat Eurovision

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。