ram type miller

例句：

1. 1. The engineer designed a RAM type mill to process the ore.
   工程师设计了一台RAM型磨机来处理矿石。
2. 2. The new RAM mill is expected to increase production efficiency by 20%.
   新推出的RAM磨机预计将提高生产效率20%。
3. 3. The RAM mill was used to grind coal for power plants.
   该RAM磨机被用于电厂磨煤。