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
pvc軟锟絲锟斤拷锟絚pvc锟斤拷锟较达拷锟絕(q锟斤拷)锟絜
pvc锟斤拷锟较达拷锟斤拷色锟斤拷微锟絊色锟斤拷透锟斤拷锟筋，锟叫癸拷伞锟酵革拷锟斤拷葎锟斤拷诰锟斤拷锟较╋拷锟斤拷郾锟较╋拷锟斤拷锟斤拷诰郾锟斤拷锟较╋拷锟斤拷S锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷锟街烇拷軟锟斤拷硬锟斤拷锟斤拷锟斤拷烯锟斤拷軟锟斤拷品锟斤拷锟斤拷g锟斤拷锟街革拷粘锟斤拷硬锟斤拷品锟斤拷硬锟饺革拷锟节碉拷锟杰度撅拷锟斤拷烯锟斤拷锟斤拷锟斤拷锟节聚憋拷烯锟斤拷锟斤拷锟斤拷锟斤拷處锟斤拷锟斤拷锟紽(xi锟斤拷n)锟阶伙拷锟紽(xi锟斤拷n)锟襟。筹拷見锟斤拷品锟斤拷锟斤拷摹锟斤拷懿摹锟叫拷住锟斤拷锟竭★拷锟絋锟斤拷锟斤拷電撅拷锟斤拷皮锟斤拷锟侥具等★拷锟斤拷一锟絅使锟斤拷一锟斤拷锟斤拷原锟斤拷取锟斤拷锟斤拷锟斤拷烯锟叫碉拷一锟斤拷锟斤拷原锟接的高凤拷锟接诧拷锟斤拷
PVC 锟斤拷锟斤拷锟斤拷锟斤拷烯锟斤拷锟斤拷锟絎锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 锟斤拷锟斤拷PVC锟斤拷使锟斤拷锟斤拷V锟斤拷锟斤拷锟斤拷锟较诧拷锟斤拷之一锟斤拷PVC锟斤拷锟斤拷锟斤拷一锟絅锟角結锟斤拷锟皆诧拷锟较★拷 PVC锟斤拷锟斤拷锟节岋拷锟紿使锟斤拷锟叫斤拷(j锟斤拷ng)锟斤拷锟斤拷锟诫穩(w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給锟斤拷锟接癸拷锟斤拷锟斤拷色锟较★拷锟斤拷锟絖锟紧劑硷拷锟斤拷锟斤拷锟斤拷锟接勶拷[2] 锟斤拷
PVC锟斤拷锟较撅拷锟叫诧拷锟斤拷燃锟皆★拷锟竭忥拷锟饺★拷锟酵氾拷锟阶冿拷锟斤拷锟斤拷约锟斤拷锟(y锟斤拷u)锟斤拷锟侥幾何凤拷(w锟斤拷n)锟斤拷锟皆★拷 PVC锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷還原锟斤拷锟酵忥拷锟结都锟叫很忥拷锟侥抵匡拷锟斤拷锟斤拷然锟斤拷锟斤拷锟杰夠被濓拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷帷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷g锟斤拷锟斤拷也锟斤拷锟絤锟斤拷锟絚锟斤拷锟斤拷N锟斤拷锟饺伙拷锟絅锟斤拷锟絴锟侥堬拷锟较★拷
PVC锟节加癸拷锟絩锟桔伙拷锟截讹拷锟斤拷一锟斤拷锟角筹拷锟斤拷要锟侥癸拷藝锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷藚锟斤拷锟(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟铰诧拷锟较分斤拷膯锟斤拷}锟斤拷 PVC锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟洁當锟筋，锟戒工藝锟斤拷锟斤拷锟斤拷窄锟斤拷锟截別锟角达拷锟斤拷锟斤拷锟斤拷锟絇VC锟斤拷锟较革拷锟統锟节加癸拷锟斤拷锟紷锟絅锟斤拷锟斤拷通锟斤拷要锟斤拷锟诫潤锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟斤拷锟酵拷锟绞癸拷玫亩锟斤拷锟叫★拷锟斤拷锟斤拷锟斤拷锟絇VC锟斤拷锟较★拷 PVC锟斤拷锟秸縮锟斤拷锟洁當?sh锟斤拷)停锟揭伙拷锟?.2~0.6%锟斤拷
锟斤拷锟絇锟結訊