ʻO ka graphitization o nā electrodes graphite he mea kūʻai mana nui, hoʻolaha nui ʻia ma Inner Mongolia, Shanxi, Henan a me nā wahi ʻē aʻe. Ma mua o ka ʻahaʻaina Kina, pili nui ia i Inner Mongolia a me kekahi mau wahi o Henan. Ma hope o ka ʻahaʻaina, ua hoʻomaka ʻia ʻo Shanxi a me nā wahi ʻē aʻe. ...
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