pvc锟斤拷锟斤拷锟斤拷锟斤拷锟街斤拷锟斤拷锟絟(hu锟斤拷n)锟斤拷

          PVC锟斤拷锟斤拷锟斤拷烯锟斤拷要锟缴份烇拷锟斤拷锟斤拷锟较╋拷蹥锟斤拷锟较╋拷锟缴拷锟斤拷r锟紾锟斤拷锟酵革拷锟絞锟斤拷锟轿癸拷锟斤拷锟矫ｏ拷锟斤拷锟角拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷喜锟桔的環(hu锟斤拷n)锟斤拷锟斤拷锟较ｏ拷锟角綠色锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷b锟斤拷锟斤拷锟斤拷锟絰原锟较★拷锟斤拷锟解，PVC锟斤拷锟斤拷锟斤拷锟�(j锟斤拷ng)锟斤拷锟斤拷锟捷ｏ拷锟絤锟较达拷锟斤拷锟組锟斤拷锟給論锟斤拷F(xi锟斤拷n)锟斤拷锟斤拷使锟斤拷锟斤拷锟絫锟斤拷锟斤拷使锟斤拷PVC锟斤拷锟接ｏ拷锟紷锟斤拷锟絘(ch锟斤拷n)品锟斤拷锟斤拷锟斤拷锟斤拷锟組锟斤拷锟斤拷锟竭咃拷锟斤拷锟斤拷锟叫讹拷y水锟斤拷锟絙锟斤拷锟斤拷锟絇锟斤拷锟斤拷锟結品锟斤拷锟絙锟斤拷锟斤拷锟角癸拷锟斤拷锟饺等★拷锟紽(xi锟斤拷n)锟节很讹拷锟剿讹拷喜锟絞锟斤拷锟絋锟斤拷锟轿ｏ拷锟斤拷锟絋前锟斤拷锟斤拷锟皆硷拷锟斤拷锟矫拷锟斤拷锟斤拷锟斤拷锟剿拷锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟剿曪拷锟斤拷锟紷些锟斤拷锟斤拷PVC锟斤拷锟斤拷锟斤，PVC锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷軟锟斤拷透锟斤拷锟饺好ｏ拷锟斤拷Q锟斤拷锟斤拷锟斤拷锟斤拷锟揭東锟斤拷锟絩锟斤拷锟介煩锟斤拷PVC锟斤拷锟接岋拷锟斤拷锟斤拷锟矫ｏ拷锟絚锟斤拷锟较达拷锟斤拷龋锟劫忥拷I锟絩锟絏锟斤拷锟斤拷锟斤拷撸锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟矫憋拷锟絕锟矫★拷PVC锟斤拷锟接憋拷锟絕锟絟(hu锟斤拷n)锟斤拷锟斤拷锟斤拷锟较拷锟斤拷锟斤拷锟斤拷h(hu锟斤拷n)锟斤拷锟斤拷锟斤拷锟揭拷锟�