The only signs of life at the visitor centre are bats in the ventilation shafts.

现在举目可见的唯一生物是停留在通风井的蝙蝠。

youdao

The interaction between two fans in the ventilation system was also analyzed.

通过分析，给出了通风系统中两风机的相互影响的情况。

youdao

There was a family of cats on the rooftop there, making their home in the ventilation shaft.

在那儿的屋顶上，住着猫的一家，它们的家安在通风竖井里。

youdao

One example: In 2005 OnStar detected and fixed a problem in the electronic ventilation system in GM's 2006 full-size SUVs.

FORBES: Magazine Article

But the longer the fragile newborns spent in ventilation the more elevated was the presence of inflammatory proteins capable of causing organ damage and brain disorders, according to a report in the journal Cytokine.

WSJ: Teen Health Tip: Consider Sharing Your Secrets

To disperse the smoke, the testers boosted ventilation in the cockpit, replacing its air entirely once every minute, according to an FAA report of the test.

WSJ: Dreamliner-Like Batteries Raised Concerns