adj.氧气的，含氧的
Poly ( methyl methacrylate ) branched chain in MG molecule structure was destroyed when thermal and oxygenous aging.
MG分子结构上的显著变化是聚甲基 丙烯酸甲酯 支链破坏,热稳定性取决于接枝物结构及其热性能.
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