automatic telephone exchange造句

例句与造句

1. Automatic telephone exchange
   自动电话交换局
2. Invention of 1 , 000 line switch with disc bank having ten concentric rows of line contacts . not used commercially . formation of strowger automatic telephone exchange
   发明1 , 000寻线机，其排线架拥有10排线路连接。但是并没有投入商业使用。史端乔式自动电话交换机形成。
3. It's difficult to find automatic telephone exchange in a sentence. 用automatic telephone exchange造句挺难的