elevator shaft bush

例句：

1. 1.The elevator shaft was damaged during the construction.
   在建设期间，电梯轴被损坏了。
2. 2.The elevator shaft is essential for maintaining the elevator's smooth operation.
   电梯轴对于保持电梯平稳运行至关重要。
3. 3. The elevator shaft was replaced after the accident, ensuring safety for passengers.
   事故后更换了电梯轴，确保乘客的安全。