pvc锟斤拷锟絙锟斤拷锟侥冿拷(y锟斤拷u)缺锟絚(di锟斤拷n)
pvc锟绞碉拷锟斤拷色锟斤拷透锟斤拷锟斤拷锟絞锟皆好ｏ拷锟斤拷锟斤拷锟矫的伙拷锟絎(xu锟斤拷)锟斤拷(w锟斤拷n)锟斤拷锟皆ｏ拷锟斤拷锟阶憋拷锟结、锟紸锟斤拷锟斤拷锟絞锟斤拷锟斤拷锟斤拷锟皆★拷锟斤拷水锟皆★拷锟斤拷锟斤拷锟斤拷芎茫锟接∷拷锟斤拷锟斤拷茫锟斤拷锟斤拷a(ch锟斤拷n)锟杰猴拷锟劫ｏ拷锟絩(ji锟斤拷)锟斤拷锟斤拷耍锟斤拷C(j锟斤拷)械锟斤拷(qi锟斤拷ng)锟饺ｏ拷锟斤拷磨锟斤拷锟酵夛拷锟皆撅拷锟斤拷(y锟斤拷u)锟斤拷pe锟斤拷pp锟斤拷锟斤拷要缺锟絚(di锟斤拷n)锟角熱穩(w锟斤拷n)锟斤拷锟斤拷锟絕锟筋，锟杰燂拷锟斤拷锟节分解，锟脚筹拷锟饺伙拷锟斤拷锟斤拷w锟斤拷锟斤拷锟节帮拷锟絙锟较碉拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟狡成憋拷膜锟斤拷锟缴凤拷軟锟絴(zh锟斤拷)膜锟斤拷硬锟絴(zh锟斤拷)膜锟斤拷锟秸縮膜锟斤拷锟絅锟斤拷軟锟絴(zh锟斤拷)膜锟絴(zh锟斤拷)锟斤拷锟斤拷軟锟斤拷锟斤拷院茫锟斤拷m锟节革拷锟絣锟斤拷锟絖(t锟斤拷i)锟斤拷锟斤拷锟届強(qi锟斤拷ng)锟饺猴拷小锟斤拷撕锟窖忥拷(qi锟斤拷ng)锟饺很高ｏ拷锟斤拷锟斤拷(d锟斤拷ng)锟皆差，锟接癸拷锟斤拷锟斤拷也锟絕锟筋。硬锟絴(zh锟斤拷)膜锟斤拷撕锟窖忥拷(qi锟斤拷ng)锟饺猴拷锟斤拷锟届強(qi锟斤拷ng)锟饺讹拷锟斤拷锟絕锟斤拷锟絴(zh锟斤拷)锟斤拷锟絕硬锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷透锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷院茫锟斤拷锟斤拷锟(d锟斤拷ng)锟斤拷锟絕锟矫ｏ拷锟斤拷印刷锟絤锟斤拷(y锟斤拷ng)锟皆猴拷,锟斤拷要锟絰锟斤拷锟斤拷m锟斤拷锟斤拷墨锟杰勶拷锟斤拷锟斤拷锟酵滐拷锟斤拷锟絕锟筋，锟酵溫時(sh锟斤拷)變锟洁，锟秸縮膜锟斤拷透锟斤拷锟皆好ｏ拷透锟斤拷锟斤拷小锟斤拷锟接燂拷r(sh锟斤拷)锟絘(ch锟斤拷n)锟斤拷锟秸縮锟斤拷锟秸縮锟截度凤拷锟斤拷锟斤拷锟斤拷锟秸縮锟绞达拷锟斤拷锟斤拷锟矫的燂拷锟秸縮锟斤拷锟较★拷