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The author outlines the type, characteristics of coagulant popularly used; especialy discusses the application conditions and extents of polyacrylamide, polyiron sulfate and poly alum.

介绍了目前应用凝聚剂种类、性质,较了聚丙烯酰胺、聚合铁和聚合铝高分子化合物使用条件和应用范围。

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asking price, ASL, ASLA, aslant, ASLE, asleep, ASLEF, ASLI, ASLIB, ASLO,

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3G, 401(K), a,

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Science Fiction - Daily Short Stories

One of her theme papers had been an exhaustive, mature, but somehow overly determined treatise on self-induced hallucination and autosuggestion.

一篇主题论文是对诱发幻详尽、成熟,但不知为何显得过于武断论述

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ASMME, ASMO, Asmodeus, ASMS, ASN, ASNE, ASNT, ASO, ASOC, asocial,

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3G, 401(K), a,
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