谢谢，放心了。我用的是很常见的石料。
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送交者: 未火 于 2011-03-27, 08:27:37:
回答: Granite Countertops and Radiation 由 Jo 于 2011-03-27, 08:18:05:
EPA believes that most types of granite used in countertops and other aspects of home construction are probably not major contributors of radiation and radon in the home
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