很好密封另一方面建筑物，像这样将有一个热回收通风机，这带来了室外空气。

Very well sealed buildings, on the other hand, like this one will have a heat recovery ventilator, which brings in outdoor air.

youdao

另一个例子是热回收通风机是封闭在一个小衣柜，以防止从地下室从越过墙了空气。

Another example is the heat recovery ventilator which is closed off in a small closet, to prevent air from the basement from coming up through the walls.

youdao

另一个例子是热回收通风机是封闭在一个小衣柜，以防止从地下室从越过墙了空气。

Another example is the heat recovery ventilator which is closed off in a small closet, to prevent air from the basement from coming up through the walls.

youdao