magnesium dolomite sand 镁质白云石砂
The collapsibility of the sodium silicate dolomite sand is controlled by the size, wall, pouring temperature, capacity for sand and draw time of the cast.
证明水玻璃白云石砂的溃散性与铸件的大小、壁厚、浇注温度、吃砂量和打箱时间有关。
The effect of the grain size distribution of quartz sand, dolomite and limestone on mixing homogeneity of glass batch was investigated.
研究了砂岩、白云石、石灰石的粒度分布的变化对玻璃配合料混合均匀性的影响。
Using quartz sand, limestone, dolomite and other natural mineral as the main raw material, with some soda, borax etc chemical raw materials melting into glass.
采用石英砂、石灰石、白云石等天然矿石为主要原料，配合一些纯碱、硼砂等化工原料熔成玻璃。
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