4445| 7
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碳的同素異構(gòu)體或碳基材料會取代金屬嗎? |
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點(diǎn)評
大蝦玩一次實(shí)際東西,玩完,大家再下結(jié)論,碳結(jié)構(gòu),成本是鋼鐵的數(shù)十倍甚至上百倍,其流程長,焦油本身就是高污染物品,碳材料,成型一次數(shù)小時甚至數(shù)天,能耗巨大,米國太空梭,戰(zhàn)斗機(jī)結(jié)構(gòu),非常昂貴,
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