“竖井凿岩”的概念、定义、翻译、参考文献-科学参考

单词	竖井凿岩
释义	竖井凿岩 Encyclopedia 工学竖井施工方案释 shaft drilling竖井凿岩竖井施工中，在井筒围岩上钻凿炮孔的作业。是竖井掘进中的一项主要工序，约占整个掘进循环时间的20%～30%。
随便看	source materials source memory source model fitting source multiplication source neutron source of administrative law source of air pollutant source of a mapping source of a morphism source of a network source of a tree source of a vector field Source of Ci-Poetry source of energy source of environmental law source of environmental t tritium source of error source of information source of innovation source of international tax law source of public security intelligence source of selected titles source of variation Source of War in the Far East source particle

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。