“pilot-heading excavating method”的概念、定义、翻译、参考文献-科学参考

单词	pilot-heading excavating method
释义	pilot-heading excavating method Encyclopedia 工学硐室掘进释 pilot-heading excavating method导硐掘进法硐室岩层不够稳定时，采用先掘进小断面导硐，然后逐次扩大并砌碹的施工方法。
随便看	photographic speed photographic stabilized platform photographic star catalogue photographic system photographic technique photographic telescope photographic tone photographic tracking photographic transit circle photographic transit instrument photographic triangulation photographic vertical circle photographic work photographic zenith tube photographing for road traffic accident scene photographone photography photography atmosphere photography category Photography Department of Xinhua News Agency photography editor Photography Esthetics photography gallery photography ideology photography industry

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。