sand-blast barrel mill

例句：

1. 1.The sand-blast barrel mill is an essential tool for grinding coal.
   风力磨煤机是研磨煤炭的重要工具。
2. 2.The sand-blast barrel mill has been used in many industries to process raw materials.
   风力磨煤机被广泛应用于许多行业，用于加工原材料。
3. 3. The sand-blast barrel mill is a highly efficient and energy-saving device.
   风力磨煤机是一种高效且节能的设备。