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sulphuric acid industry
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sulphuric acid industry
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工学
硫酸工业
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sulphuric acid industry
硫酸工业
基本无机化工之一。生产硫酸的原料有硫黄、硫铁矿、有色金属冶炼烟气、石膏、硫化氢、回收二氧化硫和废硫酸等。硫黄、硫铁矿和冶炼烟气是3种主要原料。主要产品有浓硫酸、发烟硫酸、液体三氧化硫、蓄电池硫酸、精制硫酸等,也生产液体二氧化硫、亚硫酸铵等产品。
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costume of the Sui and Tang Dynasties
costume of the Wei, Jin, Southern and Northen Dynasties
costume of the Yuan Dynasty
costume of the Zhou Dynasty
costume pattern design
costume portrait photography
costume processing technology
Costume props of Chinese traditional Peking Opera
costumes and other props of wandering professional operatic troupes
costumes and paraphernalia of an opera troupe in Yangzhou with a salt merchant as the manager
Costumes and Props of Kunju Opera
Costumes and Props of Peking Opera
costumes for music, dance and acrobatics performance
costumes for Qinqiang opera of Xijiaojiang Village, Hu County
costumes for Yueju opera
costume shape design
costume size design
Costumes of Han Dynasty
costume style
costume style design
costume style drawing
costume TV drama
costume virtual reality design
costus family
cost-utility analysis of health service
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