请输入您要查询的字词:
单词
geological core drilling
释义
geological core drilling
Encyclopedia
理学
钻探工程
释
geological core drilling
地质岩心钻探
使用专用钻探机械,利用圆筒状钻头、岩心管和钻杆等组合成钻具,在岩石中环状破碎岩石,在孔底中心部分保留一个柱状的岩心,再从孔内取出岩心用以研究地质和矿产情况的钻探。简称地质钻探。是钻探工程学科下最重要的分支学科,是固体矿产地质勘探中采用的主要技术方法。
随便看
multi-dimensional separation system
multidimensional shift
multidimensional simulation analysis of civil information
multidimensional solution
multidimensional space
multi dimensional spectrum
multi-dimensional spectrum
multidimensional statistical analysis
multidimensional statistics
multidimensional stochastic process
multi-dimensional structure
multi-dimensional structure-activity relationship
multi-dimensional structure of pratacultural science
multidimensional surface
multidimensional system
multidimensional theory
multidimensional time
multidimensional torus
multidimensional Turing machine
multidimensional variational problem
multidimensional web
multidirectional
multidirectional beam
multi-directional three-dimensional farbic
multi-direction die forging
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:2026/6/20 11:55:37