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西德一家股份公司,发明一种不需要使煤分解.而在铁水浴中实现煤气化的新技术,他的主要优点是:气体产量高、CO
West Germany, a joint-stock company, invented a do not need to decompose the coal, while in the hot metal bath to achieve the new technology, his main advantages are: gas production, CO