Moreover , there are 223 external telecommunications services operators providing a wide range of value - added services such as electronic mail box , store - and - forward facsimile and electronic data interchange 同时，还有223家对外电讯服务营办商，提供电子邮箱、储存转发传真、电子数据交换等各类增值服务。
2.
Moreover , there are 223 external telecommunications services operators providing a wide range of value - added services such as electronic mail box , store - and - forward facsimile and electronic data interchange 同时，还有223家对外电讯服务营办商，提供电子邮箱、储存转发传真、电子数据交换等各类增值服务。
您当前位置：