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PVC锟絲锟斤拷锟斤拷锟絙锟斤拷锟斤拷锟斤拷锟斤拷锟矫撅拷锟斤拷锟叫讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷觼锟斤拷f一锟絝锟揭僅知锟侥幾種锟缴ｏ拷锟斤拷一锟斤拷锟铰凤拷锟姐不锟矫帮拷锟絙锟絩锟斤拷锟斤拷只锟斤拷一锟斤拷锟斤拷锟斤拷锟桔碉拷锟斤拷通锟铰凤拷锟斤拷锟斤拷锟斤拷锟绞癸拷锟絇VC锟絲锟斤拷锟斤拷锟絙锟斤拷锟斤拷锟斤拷锟斤拷锟酵曪拷變锟矫高檔锟斤拷锟斤拷锟斤拷锟絯锟叫革拷锟紷锟矫革拷锟脚ｏ拷锟斤拷锟斤拷锟絩锟叫筹拷锟斤拷锟紸锟斤拷锟斤拷一锟芥；锟斤拷之PVC锟絲锟斤拷锟斤拷锟絙锟斤拷锟叫憋拷锟給(h锟斤拷)锟斤拷锟矫ｏ拷一锟斤拷锟絘(ch锟斤拷n)品要锟斤拷(j锟斤拷ng)锟絕锟斤拷通锟斤拷锟斤拷锟斤拷锟竭碉拷锟斤拷锟組(f锟斤拷i)锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟紷锟斤拷锟絕锟斤拷锟斤拷PVC锟絲锟斤拷锟斤拷锟絙锟斤拷锟斤拷锟剿憋拷锟給(h锟斤拷)锟絘(ch锟斤拷n)品锟斤拷讓锟絘(ch锟斤拷n)品锟杰碉拷锟絧锟侥碉拷锟斤拷锟矫ｏ拷锟斤拷锟斤拷锟剿產(ch锟斤拷n)品锟侥帮拷全锟斤拷锟斤拷一锟斤拷锟斤拷PVC锟絲锟斤拷锟斤拷锟絙還锟斤拷锟叫凤拷锟斤拷锟斤拷锟斤拷锟矫ｏ拷讓锟絘(ch锟斤拷n)品锟节囷拷(y锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷露锟斤拷锟斤拷锟阶冿拷危锟斤拷亩锟斤拷锟斤拷C锟剿產(ch锟斤拷n)品锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷
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