- 推荐网络例句
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By the time you got around to looking at it again, peritonitis had set in.
等你再去看他时，腹膜炎已经发作了。
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It was your fault, and I am not going to be your whipping boy.
这是你的错，我不会代你受过。
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ABSTRACT Polysilicate aluminum and ferric saltflocculant was prepared from coal refuse and pyrite slag, and was used as flocculant in the treatment of dyeing wastewater for removing turbidity and COD and decolorizing.
摘 要 研究利用煤矸石及硫铁矿烧渣作原料制备PSAAF并用于印染废水的处理。结果表明，PSAAF有良好的除浊、脱色和除COD性能；尤其对亲水性染料，具有独特的去除效果。
Don't
stop moving...