ingot charging gear

例句：

1. 1.The ingot charging gear is essential for the operation of the power station.
   合金充电设备对于电站的运行至关重要。
2. 2.The engineers used this ingot charging gear to quickly charge the batteries.
   工程师们使用这种合金充电设备来快速给电池充电。
3. 3.The ingot charging gear was designed to be lightweight and durable, making it ideal for use in harsh environments.
   这种合金充电设备设计轻便且耐用，非常适合在恶劣环境中使用。