“掉顶”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	掉顶
释义	掉顶 roof fall (隧洞等的)
随便看	high speed boring machine high-speed bottom high-speed brake high-speed brass high-speed brittleness high speed buffer register high-speed bus high speed bus high-speed cache memory high speed cage high-speed calculator high speed calculator high speed camera high-speed camera high speed car high-speed card punch high-speed card reader high-speed carry high-speed carry circuit high speed centerless grinding machine high speed centrifuge high-speed channel high-speed check-row valve high speed cinecamera high speed cine theodolite