Granite as raw material,PSA is made in a series of aggregat e reactions of chemical fusibility.
选用花岗闪长岩为原料,通过一系列的化学熔融聚合反应制成新型凝剂--聚硅酸铁铝盐凝剂。
Granite as raw material,PSA is made in a series of aggregat e reactions of chemical fusibility.
选用花岗闪长岩为原料,通过一系列的化学熔融聚合反应制成新型凝剂--聚硅酸铁铝盐凝剂。
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