low speed coal mill

例句：

1. 1.The low-speed coal mill is used to grind coal into a fine powder for use in various industrial processes.
   低速煤磨机用于将煤炭研磨成细粉，以供各种工业过程使用。
2. 2.The low-speed coal mill is an essential piece of equipment for the coal preparation industry.
   低速煤磨机是煤炭准备行业不可或缺的设备。
3. 3.The low-speed coal mill has been widely used in power plants and other industrial facilities due to its efficiency and reliability.
   由于其效率和可靠性，低速煤磨机在电厂和其他工业设施中得到了广泛应用。