Of a switch, wiring, etc.: that enables a light or other device to be switched on or off at either of two points.
| 单词 | θ77620 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > circuit > device to open or close circuit > [adjective] > providing two routes (1) two-way1893 Of a switch, wiring, etc.: that enables a light or other device to be switched on or off at either of two points. |
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