secondary gyratory crusher

例句：

1. 1.The secondary gyratory crusher is used to crush larger rocks before they reach the primary crusher.
   二级圆砾破碎机用于将较大的岩石破碎，以便在进入初级破碎机之前。
2. 2. This machine is designed to handle a wide range of materials and is particularly useful for crushing secondary ore.
   这种机器设计用来处理各种材料，特别适合破碎次级矿石。
3. 3. During the construction phase, the secondary gyratory crusher was critical in breaking down large boulders that were blocking the path.
   在建设阶段，二级圆砾破碎机在打破堵塞道路的大型石块方面起到了关键作用。