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Harmonics are periodic distortions of voltage, latest, or power sine waves. Harmonics in electrical power distribution devices are sometimes due to non-linear hundreds such as switched manner dc power materials and adjustable speed motor drives. Giải phụ được tính cho những tờ vé số khớp 5 số cuối cùng của https://kinhnghimc13568.thezenweb.com/5-tips-about-điều-khoản-you-can-use-today-63412660

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