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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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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