closed circuit video equipment的意思|示意

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闭路视频设备

闭路视频设备 ...结构，同轴电缆单根无氧圆铜线+物理发泡聚乙烯绝缘+锡丝+铝+聚氯乙烯聚乙烯 CCVE Closed Circuit Video Equipment 闭路视频设备 CCTV Closed Circuit Television 闭路电视 ..