“套管钻井”的概念、定义、翻译、参考文献-科学参考

单词	套管钻井
释义	套管钻井 Encyclopedia 工学套管钻井释 casing drilling套管钻井用套管代替传统钻杆作为钻柱，将顶驱或转盘上的机械动力和泥浆泵的液压动力传递到钻头，套管柱在钻进的同时起到封隔井眼和地层作用的技术。
随便看	photometric distance photometric double star photometric element photometric ellipticity photometric error photometric index photometric instrument photometric instruments photometric measurement photometric measurement method photometric method photometric night photometric orbit photometric paradox photometric parallax photometric period photometric phase photometric precision photometric redshift photometric scale photometric sequence photometric solution photometric standard photometric standard star photometric system

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。