要 中文名称：特殊质量钢 英文名称：super-quality steel 定义：特殊质量非合金钢、特殊质量低合金钢和特殊质量合金钢的总称。硫、磷等杂质、微量残存元素含量、非金属夹杂的含量的控制及碳含量的波动范围比优质钢要求更严的钢
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Through analysing the super grinding production method and the whet liquid performance, a technological process is improved and the steel ball quality is increased.
通过分析精研加工方法及精研液的性能，完善钢球加工工艺，提高钢球质量。
When super-fine steel slag powder and high-quality fly ash were added into concrete together, the performance of concrete could be improved further due to the synergistic effect.
将磨细钢渣与优质粉煤灰复掺可以发挥超叠加效应，进一步改善混凝土性能；
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