silica flour 中文意思是什麼
silica flour
解釋
硅砂粉-
Silica sand and flour for investment casting
熔模鑄造用硅砂粉 -
High spicific surface, tiny granule diameter, goodactivity, can be used as substitute of well cement or silica flour to imporve well quality
比表面積大,粒徑微小,具有良好的膠凝性能,可替代井油水泥和/或硅灰(漂珠) ,改善固井質量。
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