“switch unit”概念、定义、翻译-科学时代

单词	switch unit
释义	矿业工程技术词汇手册 switch unit 开关装置
随便看	testing problem testing procedure test ingredient testing tank test in place test instrumentation system testis descending test item test item testitis test laboratory test-launch operation rule test-launch preplan test level test load test logic test manual test market test market test-market test market test marketing test marketing test marketing test marketing

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。