请输入您要查询的字词:
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
The Prime of Miss Jean Brodie
The Prince
The Prince Naradhip Prapanpongse
The Princess Falls in Love
The Princess Gets Pregnant
The Princess' Man
The Princess of Iron Fan
the principal education
the principal of archives architectural design and construction
the principele of prescription
the principle of comprehensive budget
The Principle of "Early Immediate Constituents"
the principle of equity of rights in litigation
the principle of filing
The principle of Heaven as an idea of history
The Principle of Hope
the principle of indemnity
the principle of index system construction
The Principle of Mathematics
the principle of native language lawsuit
The Principle of Natural Serialization
the principle of nonmaleficence
the principle of objectivity
the principle of party character of philosophy
the principle of responsibility of the person who causes damage
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:2026/2/8 5:21:16