Anonymous
Anonymous asked in 科學及數學工程學 · 9 years ago

AC.DC? AC系咪解直流電? 定交流電? 分不清

AC.DC? AC系咪解直流電? 定交流電? 分不清

供電系咪分交/直流電?

請問有咩分別?

甘個D燈.多數用直流定交流?

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