请输入您要查询的字词:
单词
freezing method
释义
freezing method
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
theory of housing demand
theory of housing Supply
theory of housing supply and demand
theory of humanity being good and feelings being evil
theory of humanity with both of goodness and evilness
theory of human races origin
theory of human rights
theory of humus nutrition
theory of hydrocarbon origin by thermal degradation of kerogen
theory of hyperbolic functions
theory of ideals
Theory of illumination computation
theory of image restoration strategies
theory of imitation
theory of improving People's autonomy
theory of incompatilbe continua
theory of independent joint offender
theory of individual differences
theory of individual zone of optimal function
theory of induced technical progress
theory of industrial agglomeration
theory of infinite heavens
theory of information grounds
theory of information impoverishment
theory of information 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:2026/6/18 3:52:17