而升降机由最顶层起动时，可隐约听到井道顶的驱动机芯开动。

When the lift starts up from the top floor, you can hear a dimmed sound of the top propulsion motor starting up.

youdao

而升降机由最顶层起动时，可隐约听到井道顶的驱动机芯开动。

When the lift starts up from the top floor, you can hear a dimmed sound of the top propulsion motor starting up.

youdao