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预还原
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预还原
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熔融还原炼铁
释
prereduction
预还原
还原熔炼前,在一定的温度下,用煤或还原性气体,使矿石、精矿或球团矿中的有关组分部分或大部分还原成金属的冶金过程。
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Soil Moisture and Ocean Salinity satellite
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soil moisture conservation in dryland
soil moisture conservation in farmland
soil moisture constants
soil moisture content
soil moisture forecasting
soil moisture for grassland
soil moisture investigation
soil moisture-monitoring instrument
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