“井颈开凿”概念、定义、翻译-科学时代

单词	井颈开凿
释义	矿业工程技术词汇手册井颈开凿 collar excavation
随便看	acceptable quality level（AQL） acceptable quality level（AQL） acceptable quality limit acceptable rate acceptable region acceptable reliability level acceptable string acceptable tolerance range acceptable use policy acceptable value acceptable word method acceptance acceptance acceptance acceptance acceptance acceptance acceptance acceptance acceptance acceptance acceptance acceptance acceptance acceptance

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。