A postal network now covers the whole country.
邮路遍及全国。
The postal industry is a traditional natural monopoly industry with obvious network characteristics.
邮政产业属于传统意义上的自然垄断产业，具有明显的网络特性。
Core competitiveness; Postal service; The delivery net; Network way.
核心竞争力；邮政；投递网；组网方式。
Core competitiveness; Postal service; The delivery net; Network way.
核心竞争力；邮政；投递网；组网方式。
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