pdn public switched data network public switched data network
Related Translations:
公共: public; common; communal 短语和例子强化公共治安 increase public security; 他这样的犯法行为极大地危及公共安全。 such offences as his profoundly endanger public security.; 公共财产 public property; 公共财政 public finance; 公共餐室
