了解电源和充电器的测试过程，会使用相关测试设备。
Knowing the power supply and charger test process and be familiar with test instrument.
旅行用交流电源式行动电话机充电器之安全性要求及测试方法。
Safety requirements and test method for mobile phone charger by alternative current...
旅行用交流电源式行动电话机充电器之安全性要求及测试方法。
Safety requirements and test method for mobile phone charger by alternative current...
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