求推荐PE热封膜配方
求PE热封膜配方（单面封温度90度）机器是两层共挤机http://www.slfhcy.com/data/appbyme/upload/image/201911/15/CSEBPBawloLP.jpg
http://www.slfhcy.com/data/appbyme/upload/image/201911/15/mivU2oEsoyzD.jpg
http://www.slfhcy.com/data/appbyme/upload/image/201911/15/BgOnFhhJ2DBv.jpg
http://www.slfhcy.com/data/appbyme/upload/image/201911/15/3QLpPnI1U54k.jpg
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