don't think it's sand, silicon has a lower...

来源: panzerkom 于 2007-04-18 14:51:56 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (92 bytes)
回答: 镀了厚瓷的钢？只是猜想。 由 chiefwiggum 于 2007-04-18 14:02:58

melting point than iron; this is a highly technical question for ppl in material science lah

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