硅砂 meaning in Chinese

[地质学] silica sand

Methods for chemical analysis of silica sand for foundry
铸造用硅砂化学分析方法
Silica sand and flour for investment casting
熔模铸造用硅砂粉
Silica tamping material of the electric furnace used for melting cast iron
铸铁熔炼电炉的硅砂打结料
Silica quartz sand microsilica fused silica fused quartz quartz tube crystal
石英硅石英砂熔融石英硅砂硅微粉
Molding silica sand
铸造模用硅砂

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