Acrylic yog polymethyl methacrylate, abbreviated li PMMA, yog ib yam ntawm cov polymer polymer ua los ntawm methyl methacrylate polymerization, tseem hu ua organic iav, nrog siab transparency, siab huab cua tsis kam, siab hardness, yooj yim ua molding thiab lwm yam zoo, feem ntau yog siv raws li ib tug hloov...
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