投影机是用来做什么的?在家里,投影机肯定是用来组建自己的家庭影院,播放影片的效果远比各种电视机看起来过瘾。在办公室,投影机更多地用来演示PPT,向同事说明自己的工作思路。当然,相比之下,投影机较为高昂的维护成本使得家用投影机迟迟没有进入家庭,难道你不想给自己一个享受 Projector is used to do what? In the home, the projector is certainly used to build their own home theater, the effect of playing the movie than all kinds of TV looks fun. In offices, projectors are used more for PPT presentations to colleagues about their work ideas. Of course, in contrast, the projector is more expensive maintenance costs make home projectors did not enter the family delay, do not you want to give yourself a treat