粗陋的;粗陋;
Freezing-thawing Cycles and Salt Expansion Test of Crude Coarse Grain Clay Salty Soil
天然粗颗粒盐渍土多次冻融循环盐胀试验
The trial researches are conducted separately with coarse-grain flotation without grinding and fine-grain flotation after grinding for crude titaniferous concentrate with TiO2 grade of about 33 percent.
对承钢黑山铁矿TiO2品位33%左右的粗钛精矿进行了不磨矿的粗粒级浮选或磨矿后细粒级浮选试验研究;
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