Upper limit location switch is turnoff and damaged .

上限位开关断路性损坏。

youdao

Walk as closely to the wall as possible when on damaged stairs and upper floors.

在损坏的楼梯或楼层上，尽量靠墙走。

youdao

Walk as closely to the wall as possible when on damaged stairs and upper floors.

在损坏的楼梯或楼层上，尽量靠墙走。

youdao