送交者: jiangzhaiwai 于 2005-8-17, 13:57:43:

回答: 闪电产生 a lot of X-ray 由 jiangzhaiwai 于 2005-8-17, 12:47:26:

whether or how much x-ray is produced by high voltage lines. I do hear the buzzing when I walk by one and do wonder about it.

• buzzing is not normal, humming is. - 无知 (0 bytes) 2005-8-17, 15:24:04

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