Just the cost will be very high: may be $100 millions.
In a mass production society, customized product is very very expensive.
Just the cost will be very high: may be $100 millions.
In a mass production society, customized product is very very expensive.
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楼上说了,一火车的煤!现在重载列车可以装一万吨,够工本费了吧?
-500miles-
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10/25/2015 postreply
18:20:37
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Coal price is about $50/ton. 一万吨 are only $0.5 millions.
-LAChinese-
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10/25/2015 postreply
18:46:07
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就算我出的起工本费,踢翻你也不干啊。人家卖的是天然钻,人工的不值钱
-0840Y-
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10/25/2015 postreply
19:45:38
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工科生?
-0840Y-
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10/25/2015 postreply
19:47:46
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我觉得是文科生。
-6988-
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10/25/2015 postreply
20:17:33
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我本科毕业项目是人造金刚石。
-LAChinese-
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10/25/2015 postreply
20:18:36
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牛
-紫色仙客来-
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10/25/2015 postreply
20:48:13
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做一个要多少?原料?????
-紫色海洋-
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10/26/2015 postreply
05:02:35
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10克拉的钻石用10克拉(2克,或者0.07盎司)的纯碳。碳没有漂白一说
-500miles-
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10/26/2015 postreply
06:47:34
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我一个文科僧去哪里搞纯碳?只能买些煤炭而已。。。。
-紫色海洋-
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10/26/2015 postreply
07:08:51
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石墨,在高温高压下形成小金刚石,0.5-1毫米,
-LAChinese-
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10/26/2015 postreply
06:55:23