“twin shafts”概念、定义、翻译-科学时代

单词	twin shafts
释义	矿业工程技术词汇手册 twin shafts 双竖井；双立井
随便看	springing blast springing centre springing charge springing course springing of intrados springing shot springing use spring lamb spring ligament spring line spring line spring low water spring low-water spring low-water line spring mattress spring maximum spring needle spring onion spring onion spring onion spring oscillator spring overturn spring overturn spring ozone decline spring ozone depletion

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。