wǎng / luò / shēng / jí / hòu / gǔ / gàn / wǎng / lù / de / chuán / shū / sù / dù / míng / xiǎn / tí / gāo / le

网络升级后，骨干网路的传输速度明显提高了。

After the network upgrade, the transmission speed of the backbone network improved significantly.