Poly (vinyl alcohol) (PVA) is recognized as one of the very few vinyl polymers soluble in water also susceptible of ultimate biodegradation by microorganisms.
聚乙烯醇（PVA）是较少的可溶于水并被生物降解的乙烯聚合物之一。
Poly (vinyl alcohol) (PVA) is recognized as one of the very few vinyl polymers soluble in water also susceptible of ultimate biodegradation by microorganisms.
聚乙烯醇（PVA）是较少的可溶于水并被生物降解的乙烯聚合物之一。
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