Keysight是德科技MSOS804A DSOS804A MSOS254A 示波器回收 ¥50000.00 keysight是德科技 DSOS254A MSOS404A MSOS604A MSOS80示波器维修 ¥65000.00 是德科技Keysight M8190A安捷伦 M8194A 12GSa/s任意波形发生器维修 ¥88800.00 Keysight是德科技 M8195A 25GSa/s任意波形发生器回收 ¥150000.00 是德Keysight/安捷伦 N8362C N5235A N5234B N5230C网络分析仪 ¥65000.00 租售/回收是德科技E8257D信号发生器E8267D E8663D E8247C安捷伦 ¥85000.00