单纯形重心设计
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用单纯形重心设计，优选出了这3种材料的合适搭配方案，制成了既具有防粘砂效果又具有抗夹砂能力的煤粉代用材料3R粉。
By means of single pattern center design 3 steps for optimized match project. According this the 3R powder substituted for seacoal was made. It not only had the effect of pre…
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