polyethylene extrusion-coated cellophane的意思|示意

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聚乙烯加工玻璃 玻璃 纸cellophane (regenerated cellulose film) 聚乙烯加工玻璃 纸polyethylene extrusion-coated cellophane 氯乙烯加工 纸vinylidene chloride treated paper ..

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