branched polyethylene high pressure polyethylene的意思|示意

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支化聚乙烯高压聚乙烯

高压聚乙烯 long chain branched polyethylene 长支链聚乙烯 branched polyethylene high pressure polyethylene 高压聚乙烯 branched low-density polyethylene 分枝低密度聚乙烯 ..