论文部分内容阅读
品质和服务是用户购买投影机的一个重要因素,尤其对商务用户而言,投影机作为商务演示和会议的不可或缺的重要帮手,使用频率非常高,投影机的正常稳定工作,对工作有着事半功倍的效果。因
Quality and service is an important factor for users to purchase projectors. Especially for business users, projectors are indispensable and important helpers for business presentations and conferences. The frequency of use is very high. The projectors work normally and stably. A multiplier effect. because