The filming of the machine room door ventilation grille is to get the sound of the powertrain inside, but nothing can be heard from this.

当中拍摄机房门的通风格栅，目的是要拮取里面驱动机芯的声音，但最终并不能由此听到任何有关的声音。

youdao

The filming of the machine room door ventilation grille is to get the sound of the powertrain inside, but nothing can be heard from this.

当中拍摄机房门的通风格栅，目的是要拮取里面驱动机芯的声音，但最终并不能由此听到任何有关的声音。

youdao