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1·Surge suppressor and low-order harmonic filter can improve power supply quality.

利用浪涌抑制器和低次谐波滤波装置，可有效改善供电质量。

2·SF series transient surge suppressor could protect the UPS power source system and its load devices.

SF系列串联瞬态浪涌抑制器可以对UPS电源系统及其负载设备起到很好的保护作用。