“shaft drilling”的概念、定义、翻译、参考文献-科学参考

单词	shaft drilling
释义	shaft drilling 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	Government social media Government-Society Interaction Government-Society separetion government sport function government statistics Government's White Paper of China government system adopted by south-based goverments government theory Government to Business electronic government Government to citizen E-government Government to citizen e-government government to citizen e-government Government to Citizen electronic government Government to corporate E-government Government to Employee electronic government government to government e-government Government to Government electronic government government virtual IP private network government website government website of Beijing government website of Dalian government website of Guangzhou government website of Ningbo government website of Qingdao government website of Shanghai

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。