Name for various mechanical devices for altering the direction of something, making a connection or… In an electric telegraph, telephone…
| 单词 | θ77622 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > circuit > device to open or close circuit > [noun] (15) switch1865 Name for various mechanical devices for altering the direction of something, making a connection or… In an electric telegraph, telephone… Subcategories:— by mode of operation (7) — button operating (1) — allowing cut-off (1) — knife-switch (2) — insulating base (1) — switch on or off (2) |
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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。