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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,系列的化学融聚合反应型絮凝剂--聚硅酸铁铝盐絮凝剂。

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acerdol, acerebral, Acerentomoidea, aceric, acerin, acerola, acerophobia, acerose, acerous, A-certificate,

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3G, 401(K), a,

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慢速英语

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

石碑由非常坚硬的闪长岩制成。石碑的颜和粉

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Aceta, acetabula, acetabular, acetabularia, acetabulectomy, acetabuliform, acetabuloplasty, acetabulum, acetabutar, acetacetate,

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3G, 401(K), a,
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