This is an acceleration on March, when revenue passenger kilometers increased 2.9%.

这是3月份的一个加速，付费旅客周转量增加了2.9%。

youdao

This is an acceleration on March, when revenue passenger kilometers increased 2.9%.

这是3月份的一个加速，付费旅客周转量增加了2.9%。

youdao