The material to be crushed is fed into machine from the feed opening of top, and fall down onto the central section of rotor rotating with high speed.
待破碎物料从顶部的物料投入口投入，落到高速旋转的转子中心部位。
The low speed machine usually has a short and fat structure in order to use effectively the rotating speed of the rotor, as contrasted with the long and thin structure of the high speed machine.
由于电机转速很低，为了充分利用其圆周线速度，一般需要采用直径大而轴向长度短的结构，与传统高速电机的细长结构有很大区别。
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