raceway grinding machine

例句：

1. 1.The engineer designed the raceway to accommodate the new machine.
   工程师设计了沟道来容纳新机器。
2. 2.The raceway is used for transporting fluids through the system.
   沟道用于通过系统输送流体。
3. 3.The raceway was made of stainless steel to prevent corrosion.
   沟道由不锈钢制成，以防止腐蚀。