单项选择题
A.DC5V B.DC5V±0.15V C.DC5V±0.2V D.DC5V±0.25V
A.≤200W B.≤300W C.≤400W D.≤500W
A.DC110V B.DC110V±1V C.DC110V±1.65V D.DC110V±3.85V
A.DC10V±1V B.DC12V±1V C.DC15V±2V D.DC15V±5V
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