ballast screening machine

例句：

1. 1.The ballast screening machine is used to remove the excess iron from the circuit.
   避雷器筛选机用于从电路中去除多余的铁。
2. 2. The engineers carefully inspected the ballast screening machine before installing it.
   工程师们在安装之前仔细检查了避雷器筛选机。
3. 3.The ballast screening machine is an essential tool for ensuring electrical safety in industrial settings.
   避雷器筛选机是确保工业环境中电气安全的关键工具。