“ventilation shaft”簡單造句，ventilation shaft造句子

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

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

a ventilation shaft through which air enters a mine.

Ride the train to the ventilation shaft.

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

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

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