现在，这种救援体制正在重建，外部援助也开始发挥作用。

Now, such systems are returning, and outside help is beginning to make a difference.

youdao

如果被困在电梯里，应用其通话装置和外部联系，然后等待救援。

If you get stuck in the elevator, use the intercom to contact someone outside and wait for rescue.

youdao

外部人员没被允许进入救援。

No outsiders were allowed to go in to help.

youdao