我们按计划飞行，爬升到7800米后并保持高度。

We flew just as planned, We climbed to the height of 7800m and maintained at this level.

youdao

我们按计划飞行，爬升到7800米后并保持高度。

We flew just as planned, We climbed to the height of 7800m and maintained at this level.

youdao