pvc锟斤拷锟絙锟斤拷锟侥冿拷(y锟斤拷u)缺锟絚
pvc锟绞碉拷锟斤拷色锟斤拷透锟斤拷锟斤拷锟絞锟皆猴拷锟斤拷锟斤拷锟斤拷锟矫的伙拷锟絎锟斤拷(w锟斤拷n)锟斤拷锟皆ｏ拷锟斤拷锟阶憋拷锟斤拷锟斤拷锟紸锟斤拷锟斤拷锟絞锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷水锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷芎锟锟斤拷印刷锟斤拷锟斤拷锟矫ｏ拷锟斤拷锟絘(ch锟斤拷n)锟杰猴拷锟斤拷锟斤拷锟絩锟斤拷锟斤拷耍锟斤拷C械锟斤拷锟斤拷锟斤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斤拷锟斤拷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锟斤拷锟斤拷锟届強锟饺猴拷小锟斤拷撕锟窖忥拷锟饺很高ｏ拷锟斤拷锟斤拷锟皆差，锟接癸拷锟斤拷锟斤拷也锟絕锟斤拷锟斤拷硬锟絴(zh锟斤拷)膜锟斤拷撕锟窖忥拷锟饺猴拷锟斤拷锟届強锟饺讹拷锟斤拷锟絕锟斤拷锟斤拷锟絴(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斤拷锟斤拷^锟斤拷锟斤拷锟斤拷印刷锟絤锟斤拷锟皆猴拷,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斤拷锟斤拷锟酵溫時變锟斤拷锟斤拷锟秸縮膜锟斤拷透锟斤拷锟皆猴拷锟斤拷透锟斤拷锟斤拷小锟斤拷锟接燂拷r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斤拷锟矫的燂拷锟秸縮锟斤拷锟斤拷锟斤拷