用ventilation shaft造句子，“ventilation shaft”造句

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

a ventilation shaft through which air enters a mine.

The model can simulate operation conditions of the tunnel and solve key technical problems of ventilation shaft.

In the center of each gallery is a ventilation shaft, bounded by a low railing.

Ride the train to the ventilation shaft.

Rock burst prediction for ventilation shaft of Qinling highway tunnel and its countermeasures

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