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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,通过的化学融聚合成新型絮凝剂--聚硅酸铁铝盐絮凝剂。

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littorinid, Littorinidae, littritis, Littrow, lituate, lituiticone, liturgic, liturgical, liturgician, liturgics,

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3G, 401(K), a,

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环球慢英语

Well, the stone is a kind of very hard rock called granodiorite. It is dark grey and pink in color.

石碑由非常坚硬闪长岩制成。石碑为深灰和粉

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livability, livable, LIVC, live, live axle, live birth, live down, live it up, live load, live on,

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3G, 401(K), a,
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