请输入您要查询的字词:
单词
反循环连续取心
释义
反循环连续取心
Encyclopedia
理学
钻进工艺
释
reverse circulation continuous coring
反循环连续取心
采用双壁钻杆钻进,冲洗液(或空气)从双壁钻杆内外管环状间隙泵入,从钻杆内管内返出地面,同时连续不断地把岩心岩样携带至地表的取心方法。
随便看
universe evolution
universe mean
universe of a structure
universe of discourse
universe's age
universe's age, cosmic age
Universidad de El Salvador
university and college campuses
University Benchmark Association
university charter
University College London: Department of Information Studies (UK)
University College London Libraries
university council
university culture
university extension movement
university for old age
university governance
university/institute geographical education
university institutes of technology
university logistic socialization
University of al-Karaouiine
University of al-Qarawiyin
University of al-Quaraouiyine
university of applied sciences
university of applied technology
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/12 3:47:15