elevator stick

例句：

1. 1.The elevator was out of order, so we had to use the stairs instead.
   电梯坏了，所以我们不得不走楼梯。
2. 2. The elevator stick is a crucial part of the elevator system.
   电梯杆是电梯系统的关键部分。
3. 3. The elevator stick is used to guide passengers through the elevator.
   电梯杆用于引导乘客通过电梯。