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楼上两位都忘了拔插头!没灯泡时不容易知道有电没电,把手指伸进去.......#@$@$^#$^%^%$^%@~~~~HOHO.....秧子MM....

mildkiller (爱,已成往事)
(#334029@0)
2002-1-14 -04:00
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Back To Topic: 初级问题:加拿大100W灯泡的电阻是多少?1000W电炉丝的电阻是多少?(我用数字万用表测出来的是灯泡11欧,电炉45欧,好象不对!看来我是不会用,谁能指点,谢了)

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