Lẹẹdi elekiturodu ni a irú ti ga otutu sooro lẹẹdi conductive ohun elo ti a ṣe ti epo coke, idapọmọra coke bi apapọ, edu idapọmọra bi Apapo, nipasẹ aise calcination ohun elo, crushing, parapo, igbáti, roasting, impregnation, graphitization ati darí processing, calle .. .
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