“roof fall”的概念、定义、翻译、参考文献-科学参考

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	Jacobsen-Katsuki epoxidation Jacobs externality Jacobson Jacobson-Bourbaki correspondence Jacobson-Bourbaki one-to-one correspondence Jacobson-Bourbaki theorem Jacobson canonical form Jacobson category Jacobson radical Jacobson ring Jacobson scheme Jacobson's density theorem Jacobson topology Jacobson-Witt algebra Jacobsthal-Lucas number Jacobsthal-Lucas polynomial Jacobsthal number Jacobsthal polynomial Jacobsthal sum Jacob Tsurtavili Jacobus Arminius Jacobus Cornelis Kapteyn Jacobus de Kerle Jacobus Eliza Johannes Capitein Jacobus Henricus van't Hoff

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。