Remark: Pointer power, exactly figures show, GM microphone jack, common potentiometer. clean filter, stable performance, unwarming for long time using.
说明：指针电源，数字精确显示，通用麦克风插口，常用电位器。滤波干净，性能稳定，长时间工作不发烫。
Remark: Pointer power, exactly figures show, GM microphone jack, common potentiometer. clean filter, stable performance, unwarming for long time using.
说明：指针电源，数字精确显示，通用麦克风插口，常用电位器。滤波干净，性能稳定，长时间工作不发烫。
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