“change gear box”概念、定义、翻译-科学时代

单词	change gear box
释义	矿业工程技术词汇手册 change gear box 交换齿轮箱；变速齿轮箱
随便看	operating income operating instruction operating lease operating lease operating lease operating lease operating lease operating lease operating lease operating leverage operating leverage operating leverage operating leverage operating leverage operating leverage operating leverage operating-life accelerated test operating line operating line operating line operating load operating load operating loss operating loss operating luminous flux of light source

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。