表面睇usb 入面有4塊金屬,每塊代表d咩架...
其實我最想知邊塊係負擔傳送電力....
同埋佢既電流係幾多...推得郁一個細馬達?....
唔該晒
收錄日期: 2021-04-13 00:56:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070802000051KK04588