儿歌： 咕噜咕噜锤，咕噜咕噜一个，咕噜咕噜叉，咕噜咕噜，三啊，三变五，五变八，看看谁，变青蛙，呱呱，呱呱呱呱。
Children's song: rolling hammer, a rolling, cross rolling, rolling, three ah, the three become five, five have become eight, to see who, variable frogs, quack, quack quack.
环锤式碎石机(重型锤破机)适用于莫氏硬度五级以下的脆性物料的破碎。
Ring hammer hammer (heavy hammer breaking machine) suitable hardness and brittleness's category below the broken material.
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