Ko te graphitization o te graphite electrode he kaihoko hiko nui, me te noho nui ki roto o Mongolia, Shanxi, Henan, me etahi atu rohe. I mua i te hakari Hainamana, ko te nuinga o te paanga ki roto o Mongolia me etahi waahanga o Henan, i muri i te hakari, ka heke a Shanxi me etahi atu rohe ...
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