一套逼真的 3d 展位模型隔离在透明背景上，展台模板的矢量插图，白色天花板和空白墙壁，带 LED 灯，展览会商务宣传区
Set of realistic 3d booth mockups isolated on transparent background vector illustration of trade fair stand templates white ceiling and blank walls with led light business promo area at exhibition
