厨房吸顶灯打开是两个环形灯泡的那种，突然不亮了，打开看一只灯泡明显发黑，去买了一只回来换，可是两只都不亮，摘掉另外一只老灯泡，新的也不亮，问题就来了，这种一个ballast带两只灯泡的，是否一定要两只灯泡，缺一不可？是否意味着另一只老灯泡也坏了，必须要同时换呢？请懂电的高手赐教，谢谢了。 (水城百事)

by 匿名, Thursday, February 12, 2015, 16:12

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替懂电高手问一句，灯泡的具体型号？比如，philips 219931 - FB40/DX/6 U SHAPED T12。给个照片也可以啊。

by 凡士林:-), Thursday, February 12, 2015, 16:31 @ 匿名

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by 匿名, Thursday, February 12, 2015, 16:35 @ 凡士林:-)

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by 匿名, Thursday, February 12, 2015, 21:25 @ 匿名

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by bigben_hometech , 电话:519-7295360, 网址:www.bigbenhometech.ca, Friday, February 13, 2015, 14:20 @ 匿名

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电工/煤气技师/验房师

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by 凡士林, Friday, February 13, 2015, 15:18 @ bigben_hometech

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by 匿名, Friday, February 13, 2015, 15:22 @ 匿名

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