“circular jack”概念、定义、翻译-科学时代

单词	circular jack
释义	水利水电词汇手册 circular jack 环形千斤顶，径向千斤顶
随便看	learning curve learning curve learning curve learning curve learning curve learning curve learning curve learning cycle learning difficulty learning difficulty learning dilemma learning disability learning disability learning disability learning disorder learning drive learning drive learning effect learning effect learning efficiency learning efficiency learning environment learning environment assessment Learning Environment Inventory （LEI） learning environment scale

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。

circular jack