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有些东西可不一定是炼钢时产生的,而是在大厦燃烧时附着在钢铁上的好象不属于冶金范围了吧. 是,不一定会有什么人会死于此事,但对于可能会危害健康的物质还是防着点好.

littledoctor (小医生)
(#344741@0)
2002-1-23 -04:00
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