楼主: shunzili
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保护环境,回收废旧电池0.1元/节 |
发表于 2005-9-11 17:42:40
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发表于 2005-9-11 17:50:43
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发表于 2005-9-11 18:38:35
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不含铅不一定无害啊,重金属对人来说,一旦进入人体都很难排泄。
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发表于 2005-9-11 19:15:25
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