锟斤拷前位锟矫ｏ拷pvc锟斤拷锟斤拷 >>锟斤拷聞锟斤拷锟斤拷 >> 锟斤拷聞锟斤拷锟斤拷
锟斤拷锟较帮拷锟絙锟斤拷锟斤拷透锟斤拷锟饺曪拷锟斤拷锟斤拷些锟斤拷锟斤拷影锟?
锟斤拷锟脚很讹拷锟劫忥拷藛T锟节诧拷購锟斤拷锟较帮拷锟絙锟斤拷锟侥時锟斤拷锟斤拷锟斤拷锟斤拷u锟斤拷锟斤拷锟较帮拷锟絙锟斤拷锟矫壞的時锟斤拷锟斤拷锟斤拷锟较帮拷锟絙锟斤拷锟斤拷透锟斤拷锟饺曪拷锟斤拷一锟斤拷锟揭革拷锟锟斤拷锟斤拷么锟斤拷锟较帮拷锟絙锟斤拷锟斤拷透锟斤拷锟饺曪拷锟斤拷锟斤拷些锟斤拷锟截碉拷影锟锟斤拷锟皆硷拷锟节讹拷锟斤拷锟斤拷锟较帮拷锟絙锟斤拷锟侥時锟斤拷該锟絰锟斤拷什么锟斤拷锟斤拷?
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1锟斤拷锟斤拷锟较帮拷锟絙锟斤拷锟侥诧拷锟絴锟斤拷OPP锟斤拷锟絴锟斤拷锟斤拷锟较达拷要锟斤拷PE锟斤拷锟絴锟斤拷锟斤拷锟较达拷透锟斤拷锟饺猴拷!PE锟斤拷锟絴锟叫碉拷LDPE锟斤拷锟较达拷要锟斤拷HDPE锟斤拷锟较达拷锟斤拷透锟斤拷锟饺猴拷一些锟斤拷
2锟斤拷锟斤拷锟较帮拷锟絙锟斤拷锟侥成分ｏ拷锟斤拷PE锟斤拷锟较达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷希锟斤拷锟斤拷习锟斤拷b锟斤拷锟酵曪拷锟絣(f锟斤拷)锟斤拷色锟斤拷影锟酵革拷锟斤拷锟锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较达拷锟酵曪拷锟絣(f锟斤拷)锟斤拷锟斤拷也影锟酵革拷锟斤拷锟锟斤拷
3锟斤拷锟斤拷锟较帮拷锟絙锟斤拷锟斤拷原锟斤拷锟斤拷號锟斤拷同锟斤拷锟斤拷PE锟斤拷锟斤拷同锟斤拷锟斤拷LDPE原锟较ｏ拷锟斤拷同锟絊锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷同锟斤拷號锟斤拷锟斤拷锟较达拷锟斤拷透锟斤拷锟斤拷也锟斤拷同锟斤拷
4锟斤拷锟斤拷锟絞锟斤拷锟斤拷膜锟絩锟絇锟絀锟斤拷锟斤拷锟絚锟斤拷膜锟侥凤拷式也锟斤拷锟斤拷锟斤拷锟较达拷锟斤拷透锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷影锟!锟揭傦拷锟斤拷锟絬锟斤拷锟斤拷锟较达拷透锟斤拷锟饺的好夛拷锟斤拷一锟姐都锟斤拷锟斤拷锟斤拷锟桔侊拷锟絉锟絜锟斤拷锟缴傦拷锟斤拷锟较达拷锟斤拷锟斤拷^锟斤拷锟斤拷锟侥傦拷锟斤拷锟较达拷透锟斤拷锟斤拷一些锟斤拷锟斤拷锟揭拷z锟統锟斤拷锟斤拷要锟斤拷透锟斤拷锟绞猴拷锟紽锟饺兩傦拷锟斤拷锟斤拷锟斤拷锟斤拷锟!
锟斤拷要锟斤拷锟皆伙拷锟斤拷锟斤拷锟较达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷o锟斤拷锟斤拷锟斤拷锟斤拷PO锟斤拷锟斤拷锟絲锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷芽锟斤拷锟斤拷锟斤拷锟斤拷覀锟斤拷锟
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