请输入您要查询的字词:
单词
冻结法
释义
冻结法
Encyclopedia
理学
地下工程
释
freezing method
冻结法
在井筒(隧道)开凿之前,用人工制冷的方法,将井筒(隧道)周围的不稳定地层和含水层冻结成封闭的冻结壁(围岩体),以抵抗地压,隔绝地下水和施工井筒(隧道)的联系,暂时改变井筒(隧道)周围的地质条件,然后在冻结壁(围岩体)的保护下进行掘砌(开挖)工作的特殊井筒(隧道)施工方法。
随便看
Historiography
historiography
Historiography about Geography
Historiography-biography Literature
historiography in Japan
Historiography Institute
historiography of Latin America
Historiography of Laws and Regulations
historiography of science
historiology
historiophoty
Historische Sozialwissenschaft
Historische Zeitschrift
History
history
History and Class Consciousness
History and Culture Display of Chengdu
History and Doctrines of Different Buddhist Sects
History and Historians in the nineteenth century
History and Philosophy of the Life Sciences
History and Review of Painting
History and Technology
History and Theory
History and Theory of Fine Arts
History and Theory of Min Opera
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:2026/1/31 7:37:43