“drawing back of pillars”概念、定义、翻译-科学时代

单词	drawing back of pillars
释义	矿业工程技术词汇手册 drawing back of pillars 后退式回采矿柱
随便看	duster duster dust exit damper dust explosion dust explosion dustfall dustfall dust figure dust filter dust-free handling dust generation rate of envelope surfaces dust globule dust hazard dust-holding capacity of filters dust holding plant dustibility dusting dusting crumb machine dusting machine dusting powder drug method dust jacket dust keeper dust laden air dust lane dustless galaxy

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。