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也谈Ｈ２０—２０程控交换机与电力线载波机的连接湖北省黄石供电局江少清对于《电力系统通信）１９９５年第６期《哈里斯２０—２０程控交换机与电力线载波机的连接》一文中ＺＤＤ－５型电力线载波机的改进问题，据本人１９９３年对同型载波机转接哈里斯２０—２０程控交...
Also talk about H20-20 program-controlled switches and power line carrier connection Huangshi Power Supply Bureau of Hubei Province Jiang Shaoqing for “power system communications” 1995 the sixth “Harris 20-20 program-controlled switches and power line carrier connection” article ZDD-5 Type power line carrier improvement problems, according to my 1993 on the same type of carrier switch Harris 20-20 program control ...