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日益走俏的实用型电话机检修仪申华随着我国通信事业的快速发展和城乡电话普及率的不断提高,我国电话机产量逐年增长。据不完全统计,1995年我国电话机内、外销总量已达9500万部,约占全世界电话机需求量的50%,其中内销量约3500万部。我国的上海、北京、...
Increasingly popular practical telephone repair instrument Shenhua With the rapid development of China’s communications industry and urban and rural telephone penetration rate continues to increase, China’s telephone machine output increased year by year. According to incomplete statistics, in 1995, the total number of telephones in China reached 95 million, accounting for about 50% of the world’s demand for telephones, of which about 35 million were sold domestically. China’s Shanghai, Beijing, ...