closed circuit television set的意思|示意

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闭路电视接收机

闭路电视接收机 ... closed circuit ignition 封闭回路式点火 closed circuit television set 闭路电视接收机 closed circuit system 闭式循环系统闭路制 ...

闭路式电视接收机闭路式电视接收机 closed circuit television set 便携式电视接收机 portable television receiver ..