“manual telephone switch board”的概念、定义、翻译、参考文献-科学参考

单词	manual telephone switch board
释义	manual telephone switch board 人工电话交换机
随便看	coaxial separator coaxial spark-gap coaxial spherical system coaxial spherical wave coaxial standing-wave detector coaxial-streams injector coaxial stub coaxial supply line coaxial switch coaxial system coaxial-torus condenser coaxial-to-waveguide transducer coaxial-to-waveguide transformer coaxial-to-waveguide transition coaxial transistor coaxial transmission line coaxial trochotron coaxial variable attenuator coaxial-waveguide output device coaxial wavemeter coaxing coaxitron coaxswitch cob cobalamin

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。