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        1. 復合袋外扣力和內扣力多大

          2018-05-21 17:40:45


          PE通用型    外扣力一般在4-6N,內扣力一般在12-14N;

          PP通用型    外扣力一般在4-6N,內扣力可達24N(出口歐洲)


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