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| 21. | Using a t ransformer, power at low voltage canbe t ransformed into power at high voltage. |
| 假如我们使用变压器,低电压的电力就能转换成高电压的电力。 |
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| 22. | high voltage testing transformer |
| 高压试验用变压器 |
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| 23. | Direct current cannot use transformers to change voltage. |
| 直流电就不能用变压器来改变电压。 |
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| 24. | frequency changer |
| 换频器|变频管 |
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| 25. | a transformer whose voltage ratio of transformation can be adjusted. |
| 电压比率能够调整的变压器。 |
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| 26. | " Electrotechnical terminology Transformer,instrument transformer,voltage regulator and reactor" |
| GB/T2900.15-1997电工术语变压器、互感器、调压器和电抗器 |
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| 27. | " Terminals for transformers,high-voltage apparatus and bushings" |
| GB/T5273-1985变压器、高压电器和套管的接线端子 |
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| 28. | The transformer isolates the transistors with regard to d-c bias voltage. |
| 变压器可在两个晶体管之间隔离直流偏压。 |
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| 29. | Company main products: Voltage stabilizer, high low pressure transformer, reactance implement. |
| 公司主要产品：稳压器、低压变压器、抗器。 |
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| 30. | shuttle changer |
| 换梭器 |
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