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
induced reaction
induced reaction in volumetric analysis
induced recombination
induced regulatory T cell,iTreg
induced representation
induced resistance
induced scattering
induced sequence
induced sheaf
induced star formation
induced structure
induced subgraph
induced susceptibility
induced symmetry-breaking
induced synthesis
induced topology
induced transformation
induced transition
induced twins
induced unfolding
induced uniformity
induced unitary representation
induced variable
induced variation
induced γ-ray background
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:2026/6/27 15:18:13