一种方法是有创通气。第二种方法是通过面罩将氧气吹入肺部。

One method is invasive ventilation. A second method involves blowing oxygen into the lungs through a mask.

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汤普森说，氧气面罩有3种大小，它们将被分发到阿普尔顿市的6个消防站以及该市警察局下属的一个名叫K-9的分支机构。

The masks, which come in three sizes, will be distributed to each of six fire stations and to the Appleton Police Department K-9 unit, he said.

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举一个比较强的例子，想象一个可以有4 G功能的头盔放映一装大楼建筑图到消防员的面罩上，这能帮助他们在充满烟雾的大楼里面找到通路。

As an example of the latter, imagine 4g-enabled helmets that can project a building infrastructure diagram onto a firefighter's visor to help them make their way through a smoke-filled building.

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