回复："多严重的污染，只要不继续排污，过三十年恐怕也自 然净化了" ?

来源: panlm_ 于 2013-03-16 13:14:41 [] [旧帖] [给我悄悄话] 阅读数 : (113 bytes)

Is there any thing wrong with the statement "多严重的污染，只要不继续排污，过三十年恐怕也自然净化了"?

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• Heavy metal in soil will stay there for long time without expens -kybluegrass- ♂ 给 kybluegrass 发送悄悄话 (0 bytes) () 03/16/2013 postreply 13:33:45

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