请输入您要查询的字词:
单词
roof fall
释义
roof fall
Encyclopedia
工学
岩石地下工程灾害
释
roof fall
冒顶
矿井、隧道(洞)开挖时,采掘作业面或巷道的顶板在矿山压力作用下变形、破坏而脱落,造成顶部大面积垮塌的现象。
随便看
orbit propagation
orbitrap
orbitrap mass spectrometry
orbit recursion
orbit representative
orbit resonance
orbitron
orbit-rotation resonance
orbit space
orbit stability
orbit-stable limit cycle
orbit-superposition method
orbit theory
orbit, trajectory
orbit transfer
orbit type
orcein
orcelite
orchard establishment
orchardgrass rust
orchard microclimate
orchard of fruit germplasm resources
orchard planning
orchard-planting problem
orchard problem
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 20:45:11