普通铅笔是石墨作的芯,跟carbon有啥联系的说。可笑.
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hei hei hei, graphite is a form of carbon
-selfselfself-
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10/08/2009 postreply
17:46:35
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要抬杠呀。回去把您太太的diamond ring换成graphite ring.看成不?
-lilac09-
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10/08/2009 postreply
18:25:11
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Carbon和graphite是没有任何区别的东西. 这个我比较权威
-suvescape-
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10/08/2009 postreply
19:14:33
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Learn a word: allotrope (同素异形体)
-YuGong-
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10/08/2009 postreply
20:20:11
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回复:Learn a word: allotrope (同素异形体)
-suvescape-
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10/08/2009 postreply
21:52:52
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回复:回复:Learn a word: allotrope (同素异形体)
-YuGong-
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10/08/2009 postreply
22:06:24
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我经常要检测piping里头的carbon含量.我的工作和这有关
-suvescape-
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10/08/2009 postreply
22:13:58