時常用手提電話講電話是否有害
回答 (1)
2009-05-10 8:05 pm
✔ 最佳答案
yes, the electro-magnetic frequency wave is harmfult o human being even the mobile phone are runing under the low volatge, it's still not good for human being especially keep of talking for long time. try to use the handsfree or bluetooth handsfree to minimize it.
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https://hk.answers.yahoo.com/question/index?qid=20090501000051KK00552