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силовой трансформатор (Potential transformers are instrument transformers. They have a large number of primary turns and a few number of secondary turns. It is used to control the large value of voltage. – АД  answers.com); силовой трансформатор (Potential transformers are instrument transformers. They have a large number of primary turns and a few number of secondary turns. It is used to control the large value of voltage. answers.com Alexander Demidov) | |||
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potential transformer : 29 短语, 7 学科 |
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