beltstower

例句：

1. 1.The beltstower is used to lift heavy objects.
   滑车塔用于提升重物。
2. 2. The beltstower is a crucial part of the machine's operation.
   滑车塔是机器运行的关键部分。
3. 3.The beltstower was installed in the factory to improve efficiency.
   在工厂安装滑车塔是为了提高效率。