但麦格劳表示，波音777上有很多设备可以帮助调查员追踪它的移动。

But John McGraw says there are also a lot of devices inside the Triple-7 that can help searchers follow its movement.

youdao

但麦格劳表示，波音777上有很多设备可以帮助调查员追踪它的移动。

But John McGraw says there are also a lot of devices inside the Triple-7 that can help searchers follow its movement.

youdao