此举的作用也是阻止冷空气进入大厦的电梯井道。

The role of the move is to prevent the cold air into the building of the elevator shaft.

youdao

此举的作用也是阻止冷空气进入大厦的电梯井道。

The role of the move is to prevent the cold air into the building of the elevator shaft.

youdao