具(ju)有透明度高、較脆、稍硬等(deng)特征。由OPP單片(pian)對(dui)折后,做成自粘袋,平口袋,卡頭袋,沿線袋等(deng)。側面熱封(feng)實(shi)線邊(bian)或虛線邊(bian),(虛線...