幾百瓦的燈泡用電阻調光那個電阻成本搞得不得了，嗬嗬

來源: tty 於 2006-11-19 11:52:57 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: sorry.可控矽調光是會省電,電阻調光則不能.因公耗到電阻上去了. 由華夏子孫於 2006-11-19 09:46:33

您的位置：文學城 » 論壇 » 實用電腦 » 幾百瓦的燈泡用電阻調光那個電阻成本搞得不得了，嗬嗬

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.