什麽carbon pencil? pencil本身就是carbon的麽!一般考試時候洋人會標明

HB, 2HB.

所有跟帖： 

• 什麽說話口氣，您比google還牛呀. -lilac09- ♀ (367 bytes) () 10/08/2009 postreply 17:02:35

• 普通鉛筆是石墨作的芯，跟carbon有啥聯係的說。可笑. -lilac09- ♀ (0 bytes) () 10/08/2009 postreply 17:13:57

• hei hei hei, graphite is a form of carbon -selfselfself- ♂ (38 bytes) () 10/08/2009 postreply 17:46:35

• 要抬杠呀。回去把您太太的diamond ring換成graphite ring.看成不？ -lilac09- ♀ (0 bytes) () 10/08/2009 postreply 18:25:11

• Carbon和graphite是沒有任何區別的東西. 這個我比較權威 -suvescape- ♂ (348 bytes) () 10/08/2009 postreply 19:14:33

• Learn a word: allotrope (同素異形體) -YuGong- ♂ (180 bytes) () 10/08/2009 postreply 20:20:11

• 回複：Learn a word: allotrope (同素異形體) -suvescape- ♂ (98 bytes) () 10/08/2009 postreply 21:52:52

• 回複：回複：Learn a word: allotrope (同素異形體) -YuGong- ♂ (1011 bytes) () 10/08/2009 postreply 22:06:24

• 我經常要檢測piping裏頭的carbon含量.我的工作和這有關 -suvescape- ♂ (333 bytes) () 10/08/2009 postreply 22:13:58

• lilac09MM,你可能對google太信任了 -suvescape- ♂ (64 bytes) () 10/08/2009 postreply 19:19:09

• lilac09 是在大使館工作呀! -suvescape- ♂ (36 bytes) () 10/08/2009 postreply 19:24:23

• carbon pencil 確實是炭素鉛筆。有這term -lilac09- ♀ (55 bytes) () 10/08/2009 postreply 20:00:47

• 我懷疑這是亂組合詞語. 或顧名思義的詞語. -suvescape- ♂ (37 bytes) () 10/08/2009 postreply 21:41:54

• 你不給我們開後門,是不是說你隻給老馬開羅? -suvescape- ♂ (0 bytes) () 10/08/2009 postreply 22:16:27

• 俺還在觀察老馬同鞋 -lilac09- ♀ (0 bytes) () 10/08/2009 postreply 23:09:46

• Who? Walk horse read human? -馬奎- ♂ (0 bytes) () 10/09/2009 postreply 07:35:33

• 走馬同鞋，俺早就放棄了。忒深奧了，俺就這幾個brain cells，不經用的說 -lilac09- ♀ (0 bytes) () 10/09/2009 postreply 08:41:57

• Heart broken :( -走馬讀人- ♂ (0 bytes) () 10/09/2009 postreply 09:19:54

• 走馬同鞋,勿傷心。It's not you; it's me. 是俺太傻 :) -lilac09- ♀ (0 bytes) () 10/09/2009 postreply 09:34:58