A board or frame bearing a set of switches for connecting and disconnecting the various circuits of an electrical system, as of a telegraph…
| 单词 | θ77649 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > circuit > [noun] > board connecting (2) switchboard1873 A board or frame bearing a set of switches for connecting and disconnecting the various circuits of an electrical system, as of a telegraph… Subcategories:— experimental board (1) |
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英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。