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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)
Last Updated: 2002-1-14
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Replies, comments and Discussions:
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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