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power
- 简易数控直流电源 输出电压:范围0至9.9V,步进0.1V,纹波不大于10mV; 输出电压值由液晶显示; 由两键分别控制输出电压步进增减; -simple numerical output voltage DC power supply: 0 to+9.9 V, step 0.1V, the ripple is less than 10mV output voltage from the LCD display two keys were controlled by the