“undercutting level”的概念、定义、翻译、参考文献-科学参考

单词	undercutting level
释义	undercutting level Encyclopedia 工学开拓工程释 undercutting level拉底水平为地下矿山回采工作开辟底部自由面，由拉底巷道向两侧扩帮，将矿房底面拉开至足够大，补充爆破空间或者为应力作用下矿石自然崩落创造条件而进行开挖的作业水平。
随便看	weapon grade uranium weapon pod Weaponry Painting Album weapons effect weapons industry weapons in Palaces of the Qing Dynasty weapons used in an opera performance weapon system design weapon system performance evaluation weapon system reaction time weapon system requirement analysis wear wearability wearable wearable clothing design wearable computer wearable computing wearable device wearable devices for intelligent analysis wearable electronic device wearable map wear allowance wear and tear of fixed assets wear index wearing-off

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。