XPAND影院3D安装步骤和使用方法！！！！！！方使影院方映人员对巴可、科视、NEC　的DLP　3D系统一个初步了解。-XPAND theater installation procedures and use of 3D! ! ! ! ! ! Side to side map theater staff Barco, Christie, NEC‘s DLP 3D Systems a preliminary understanding.