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
锟斤拷锟斤拷PVC锟斤拷锟斤拷要注锟斤拷什么
PVC锟斤拷锟斤拷锟秸筹拷锟斤拷锟斤拷锟叫ｏ拷使锟斤拷锟角非筹拷锟絍锟斤拷锟侥ｏ拷去锟教堬拷锟絀锟斤拷锟铰凤拷锟斤拷锟斤拷锟斤拷去锟斤拷锟斤拷購锟斤拷锟斤，锟斤拷锟斤拷锟斤拷要PVC锟斤拷锟斤拷锟斤拷锟斤拷锟教家伙拷锟斤拷锟斤拷I(y锟斤拷)锟斤拷锟斤拷锟剿革拷锟竭碉拷锟狡廣锟皆硷拷品锟狡ｏ拷锟斤拷锟斤拷锟斤拷通锟絕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印刷锟皆硷拷品锟狡廣锟芥，锟巾實锟紽(xi锟斤拷n)锟斤拷锟矫碉拷品锟斤拷锟狡廣锟斤拷锟斤拷么锟斤拷知锟斤拷PVC锟斤拷锟斤拷锟斤拷锟絩锟斤拷要注锟斤拷什么呀?
一锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷
锟斤拷锟斤拷前锟斤拷要锟酵廠锟揭滐拷通锟矫ｏ拷锟斤拷要锟斤拷锟斤拷锟斤拷锟劫傦拷锟斤拷锟紷锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷同锟斤拷锟斤拷(y锟斤拷u)锟斤拷也锟斤拷锟叫差異锟斤拷也要知锟斤拷锟斤拷锟斤拷锟劫讹拷锟斤拷锟斤拷锟斤拷也只锟斤拷锟絖锟斤拷锟紷锟斤拷值锟斤拷锟絊锟揭诧拷锟杰給锟姐定锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟絴
锟斤拷锟斤拷前锟斤拷锟揭傦拷一锟斤拷要锟斤拷锟斤拷锟侥诧拷锟絴锟組锟斤拷锟剿解，锟斤拷锟斤拷要锟斤拷锟絖锟斤拷锟絰锟斤拷什么锟接的诧拷锟较★拷目前锟斤拷要锟斤拷锟斤拷锟较达拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷锟角撅拷锟斤拷烯锟酵聚憋拷烯锟斤拷前锟竭無锟斤拷锟絟(hu锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟叫讹拷锟叫猴拷锟斤拷锟絟(hu锟斤拷n)锟斤拷锟斤拷锟斤拷锟绞癸拷玫姆锟斤拷锟斤拷锟斤拷锟酵撅拷谴锟斤拷锟斤拷锟酵ワ拷摹锟斤拷诙锟斤拷锟斤拷臅r锟津，撅拷要锟斤拷锟斤拷(j锟斤拷)锟皆硷拷锟斤拷PVC锟斤拷锟斤拷锟矫侊拷锟斤拷什么锟侥ｏ拷锟絰锟斤拷锟斤拷锟斤拷锟斤拷牟锟斤拷稀锟
锟斤拷锟斤拷锟絆計
锟斤拷锟組锟斤拷PVC锟斤拷锟斤拷锟斤拷锟絩锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絆計锟斤拷也锟角非筹拷锟斤拷要锟侥★拷每一锟斤拷锟教家ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆硷拷锟斤拷同锟斤拷锟斤拷色锟斤拷也锟斤拷锟斤拷锟斤拷锟皆硷拷锟斤拷同锟侥橈拷志锟斤拷锟斤拷么锟斤拷锟組锟斤拷锟斤拷锟较达拷锟斤拷锟斤拷锟絩锟斤拷希锟斤拷锟斤拷锟皆硷拷锟斤拷锟紷锟絅锟斤拷色锟酵橈拷志锟斤拷直锟斤拷锟斤拷锟斤拷锟斤拷锟较帮拷锟絙锟斤拷锟斤拷锟叫ｏ拷锟紷锟斤拷也锟斤拷一锟絅锟絍锟斤拷锟酵讹拷拧锟
锟侥★拷锟竭达拷锟叫
一锟斤拷锟角革拷锟斤拷(j锟斤拷)锟矫戯拷锟结供锟侥尺达拷锟斤拷锟斤拷锟斤拷锟斤拷脩锟斤拷峁╋拷锟斤拷说模锟斤拷S锟揭曪拷锟结供锟阶種锟接帮拷叽纾岋拷脩锟斤拷锟絰锟斤拷
锟斤拷锟絇锟結訊