PVC锟斤拷锟絙锟斤拷锟侥夛拷锟斤拷
锟节現(xi锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷PVC锟斤拷锟絙锟斤拷锟窖斤拷(j锟斤拷ng)锟缴烇拷锟揭傦拷?n锟斤拷i)粘锟斤拷锟斤拷苫锟饺憋拷锟揭伙拷锟斤拷帧锟斤拷o論锟斤拷食品锟斤拷锟斤拷锟絙還锟斤拷锟斤拷赢a(ch锟斤拷n)品锟斤拷PVC锟斤拷锟絙锟斤拷锟斤拷锟戒優(y锟斤拷u)锟斤拷锟斤拷锟斤拷锟杰和碉拷锟斤拷锟侥成憋拷锟斤拷锟缴烇拷锟斤拷锟教家猴拷锟斤拷锟組锟竭碉拷锟斤拷锟絰锟斤拷然锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷視锟侥嗭拷锟絵锟角ｏ拷PVC锟斤拷锟絙锟斤拷锟斤拷锟斤拷锟斤拷锟矫讹拷锟锟斤拷锟斤拷锟侥岋拷锟侥诧拷锟斤拷锟斤拷锟斤拷锟斤拷使锟矫環(hu锟斤拷n)锟斤拷锟皆硷拷锟絟(hu锟斤拷n)锟斤拷锟角讹拷锟斤拷探討锟紷一锟斤拷锟絵锟斤拷
锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟絞锟絚锟斤拷锟斤拷锟斤拷锟斤拷
PVC锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷烯锟斤拷锟斤拷一锟絅锟斤拷見锟斤拷锟斤拷锟较诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫冿拷(y锟斤拷u)锟斤拷锟斤拷锟斤拷锟斤拷A锟皆★拷锟斤拷磨锟皆和凤拷水锟斤拷锟斤拷锟斤拷吮锟斤拷V锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟节革拷锟絅锟斤拷锟絙锟絀(l锟斤拷ng)锟斤拷锟斤拷論锟斤拷锟斤拷PVC锟斤拷锟絙锟斤拷锟斤拷使锟矫夛拷锟斤拷取锟絈锟斤拷锟斤拷原锟斤拷锟较碉拷锟絴(zh锟斤拷)锟斤拷锟酵加癸拷锟斤拷藝锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷PVC锟斤拷锟较匡拷锟皆憋拷锟紺锟斤拷锟絙锟斤拷锟斤拷锟斤拷锟斤拷使锟矫條锟斤拷锟斤拷锟斤拷锟斤拷锟街旓拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷脿锟紹(t锟斤拷i)锟斤拷
然锟斤拷锟斤拷PVC锟斤拷锟角堅诧拷锟缴达拷锟斤拷锟絃锟絩锟絞锟斤拷露锟斤拷陽癸拷锟铰ｏ拷锟斤拷锟解線锟斤拷使锟斤拷锟较伙拷锟斤拷變锟矫达拷硬锟斤拷锟斤拷锟斤拷锟竭溫環(hu锟斤拷n)锟斤拷锟铰ｏ拷PVC锟斤拷锟杰曪拷釋凤拷锟叫猴拷锟斤拷锟絴(zh锟斤拷)锟斤拷影響冿拷(n锟斤拷i)锟斤拷锟斤拷陌锟饺拷锟锟斤拷锟斤拷锟斤拷锟斤拷锟酵滐拷也锟斤拷使PVC變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锟斤拷锟节诧拷同锟絟(hu锟斤拷n)锟斤拷锟斤拷锟斤拷PVC锟斤拷锟絙锟斤拷锟斤拷使锟矫夛拷锟斤拷锟斤拷锟斤拷锟紷锟斤拷锟筋異锟斤拷
使锟矫環(hu锟斤拷n)锟斤拷锟斤拷锟絈锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟絀锟斤拷锟斤拷
PVC锟斤拷锟絙锟斤拷锟侥岋拷锟紿使锟矫夛拷锟斤拷锟斤拷锟杰达拷潭锟斤拷锟饺★拷Q锟斤拷锟斤拷锟斤拷使锟矫環(hu锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷覀锟斤拷锟斤拷锟斤拷锟斤拷诟锟斤拷铩㈥帥锟斤拷冶锟斤拷锟疥柟锟街憋拷锟侥地凤拷锟斤拷锟斤拷锟斤拷锟皆憋拷锟斤拷锟斤拷锟矫碉拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟絕锟絃锟絩锟絞锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭冿拷(n锟斤拷i)锟斤拷锟斤拷锟铰达拷诺锟絇VC锟斤拷锟絙锟斤拷锟斤拷锟斤拷锟杰庯拷锟斤拷锟(n锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟紽(xi锟斤拷n)锟斤拷锟紷锟斤拷锟较伙拷锟紽(xi锟斤拷n)锟斤拷锟斤拷
锟斤拷之锟斤拷锟斤拷锟斤拷覀锟斤拷锟絇VC锟斤拷锟絙锟斤拷锟斤拷锟节戯拷锟斤拷锟斤拷邷囟锟阶冿拷锟斤拷锟斤拷业沫h(hu锟斤拷n)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s锟斤拷锟斤拷锟斤拷水锟斤拷陽癸拷锟斤拷锟斤拷锟斤拷锟饺伙拷锟斤拷貢锟斤拷锟絇VC锟斤拷锟斤拷锟斤拷g锟斤拷锟斤拷锟斤拷锟斤拷锟较伙拷锟絕锟斤拷锟斤拷锟斤拷锟紷锟絅锟斤拷r锟斤拷锟斤拷锟斤拷使锟角冿拷(y锟斤拷u)锟絴(zh锟斤拷)锟斤拷PVC锟斤拷锟絙锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟(n锟斤拷i)失去原锟叫的忥拷锟饺猴拷锟絞锟斤拷锟斤拷
锟絟(hu锟斤拷n)锟斤拷視锟角ｏ拷锟缴筹拷锟絤(x锟斤拷)锟絣(f锟斤拷)展锟斤拷思锟斤拷
锟斤拷锟揭傦拷談?w锟斤拷)锟絇VC锟斤拷锟絙锟斤拷锟斤拷使锟矫夛拷锟斤拷锟絩锟斤拷锟斤拷锟杰猴拷锟皆碉拷一锟斤拷锟斤拷要锟斤拷锟絵锟角環(hu锟斤拷n)锟斤拷锟斤拷锟給锟斤拷锟絤然PVC锟斤拷锟斤拷锟斤拷锟斤拷一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絘(ch锟斤拷n)锟酵斤拷锟斤拷锟絕锟斤拷锟叫曪拷锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷染锟斤拷锟斤拷锟斤拷锟斤拷锟角焚燂拷PVC锟斤拷锟斤拷锟絩锟斤拷锟斤拷釋放筹拷锟斤拷锟斤拷英锟斤拷锟叫讹拷锟斤拷锟絯锟斤拷锟斤拷锟秸氾拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷(g锟斤拷u)锟缴囷拷锟斤拷锟斤拷锟絳锟斤拷
锟斤拷锟剿減锟劫環(hu锟斤拷n)锟斤拷锟斤拷染锟斤拷锟揭傦拷锟斤拷(y锟斤拷ng)該锟組锟斤拷锟斤拷锟絃PVC锟斤拷锟絙锟斤拷锟斤拷使锟矫夛拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷没锟斤拷锟斤拷锟斤拷锟斤拷锟矫★拷通锟絕锟狡學锟斤拷锟斤拷锟侥廢锟斤拷锟斤拷锟斤拷锟绞锟斤拷锟揭傦拷锟斤拷锟斤拷锟斤拷效锟斤拷锟斤拷PVC锟経锟斤拷锟斤拷臄锟(sh锟斤拷)锟斤拷锟斤拷锟絧锟絧锟斤拷锟斤拷锟紹(t锟斤拷i)锟絟(hu锟斤拷n)锟斤拷锟侥夛拷锟斤拷锟斤拷
锟斤拷锟結(ji锟斤拷)锟斤拷锟洁方锟斤拷锟斤拷锟铰的猴拷锟斤拷使锟斤拷
锟紺锟斤拷锟斤拷锟斤拷锟斤拷PVC锟斤拷锟絙锟斤拷锟斤拷使锟矫夛拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟轿的旓拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟杰碉拷锟斤拷N锟斤拷锟截碉拷影響★拷锟侥诧拷锟斤拷锟斤拷锟皆的角度匡拷锟斤拷PVC锟斤拷锟叫冿拷(y锟斤拷u)锟絚也锟斤拷缺锟絚锟斤拷锟斤拷使锟矫環(hu锟斤拷n)锟斤拷锟侥角度匡拷锟斤拷锟絤锟斤拷?sh锟斤拷)膬锟斤拷锟絣锟斤拷锟斤拷锟斤拷锟接撅拷锟斤拷锟较伙拷锟組锟教ｏ拷锟斤拷锟侥環(hu锟斤拷n)锟斤拷锟侥角度筹拷锟絣(f锟斤拷)锟斤拷锟揭傦拷锟斤拷要锟斤拷锟斤拷謹锟斤拷锟截岋拷锟斤拷PVC锟斤拷品锟斤拷處锟斤拷锟斤拷處锟斤拷锟斤拷
锟斤拷锟紷锟斤拷追锟斤拷锟斤拷锟斤拷锟斤拷M锟侥時锟斤拷锟斤拷锟揭傦拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟矫碉拷锟絕锟斤拷锟斤拷只锟斤拷锟紷锟接ｏ拷锟斤拷锟杰既滿锟斤拷锟揭傦拷锟斤拷锟秸筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街憋拷锟給锟斤拷锟揭傦拷賴锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷眉覉@锟斤拷讓锟揭傦拷锟斤拷同努锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷未锟斤拷貢锟絀一锟斤拷锟斤拷锟斤拷锟斤拷