聚乙烯发泡棉是非交联闭孔结构 ，是一种新型环保的包装材料。
Polyethylene foamed cotton is crosslinking obturator structure, it is a kind of new environmental protection packing materials.
聚乙烯发泡棉是非交联闭孔结构 ，是一种新型环保的包装材料。
Polyethylene foamed cotton is crosslinking obturator structure, it is a kind of new environmental protection packing materials.
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