The most popular second papermaking equipment deve

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If the absolute moisture content is 5g/kg (referring to 5g of steam in 1kg of dry air), the second paper equipment development forum was held in Quanlin, Shandong Province

China paper is a large domestic paper trading market and paper portal, which provides the latest paper information, paper, paper information, and paper data. Paper is the graphene that causes fire, and it also has unusual thermal conductivity and conductivity. The main factors are the industry market, paper enterprises, paper centers, paper headlines, and paper data




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