The present invention has small volume, large output power, less distortion in output wave form and high efficiency and is esp. suitable for large program controlled exchanger.
本发明体积小，输出功率大，输出波形失真小，效率高，特别适合用于大型局用程控交换机。
The present invention has small volume, large output power, less distortion in output wave form and high efficiency and is esp. suitable for large program controlled exchanger.
本发明体积小，输出功率大，输出波形失真小，效率高，特别适合用于大型局用程控交换机。
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