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metallized pellet
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metallized pellet
Encyclopedia
工学
直接还原炼铁法
释
metallized pellet
金属化球团
以球团矿为原料,用气体或固体还原剂进行直接还原,得到的氧化铁转变为金属铁的球状铁产品。又称海绵铁球团。是直接还原炼铁的产物。
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pretensioned prestressed concrete structure
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pretest method
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