If managed efficiently, it can increase capacity in congested airspace, so instead of being put into wasteful holding patterns, more aircraft would arrive on time.

如果管理有效，它能给原本拥挤的机场上空增加空间，因而，更多的飞机可以准点到达，而不用被迫采取耗费燃料的等待航线方式。

youdao

This will need to be managed carefully if the engine is to run efficiently.

要让引擎高效运作的话，这就需要小心调整。

youdao