在交通量低时，无召唤信号的电梯自动返回基站，关门等待。

When the elevator is in low traffic in , if the elevator has no call it will return to the main floor automatically.

youdao

在交通量低时，无召唤信号的电梯自动返回基站，关门等待。

When the elevator is in low traffic in , if the elevator has no call it will return to the main floor automatically.

youdao