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0519-85502016
制袋加工

PE是聚乙烯的縮寫,是通過聚合乙烯獲得的熱塑性樹脂。在工業上,它還包括乙烯和少量α-烯烴的共聚物;它是一個透明的塑料袋,可用于包裝衣服,袋子和電子產品。公司可接定制塑料袋定做。

6 條記錄 1/1 頁
国产成人免费高清A片视频
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