00326nam a22001337a 4500003000700000005001700007008004100024082001600065100001400081245003100095260003000126300000800156650002800164MPLRDC20220104123327.0210129b           ||||| |||| 00| 0 eng d  a448.886 XW   a徐伟编  a有线电视系统原理c  ab华美科技出版社c  b平  a接受设备; 电视机