a unit for supplying power (also figurative); spec. (a) one for converting an alternating current (from the mains) to a direct current at a different…
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| 单词 | θ77848 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > transformer > [noun] > supplying power (1) power pack1937 a unit for supplying power (also figurative); spec. (a) one for converting an alternating current (from the mains) to a direct current at a different… |
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