监控选录像机还是服务器,三招省下五万块,如何挑选监控设备,三招助你节省五万预算
Should you choose a video recorder or a server for surveillance? Three tips to save 50,000 yuan. How to select surveillance equipment? Three tips to help you save 50,000 yuan on your budget
以上为机器翻译结果，长、整句建议使用 人工翻译 。