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烧结矿中含有一定数量Al2O3,Al2O3/SiO2为(),有利于低温烧结,四元针状铁酸钙的生成,可提高烧结矿的强度,改善其还原性能。
- A、0.1~0.3
- B、0.2~0.4
- C、0.3~0.5
- D、0.4~0.6
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单选题A
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