The second sample is calculation of assemble cost of the cross grinding parts in the fertilizer grinding machine.

第二个实例是造粒机十字磨头装配成本的浙江工业大学颅卜学位论义摘要计算。

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The relationship between parameters of ball mill and quantity of fine powder was obtained by cross test. The concept of grinding zone and equation about grinding efficiency were proposed.

通过正交试验得出了球磨参数与细粉量的关系，并提出研磨破碎区概念，给出了球磨效率关系式。

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To overcome problems of cross vibrations and effects of tension on machine spindle accuracy in belt grinding, the structure of a continuous spring and a air-bag inner the soft wheel is designed.

新型砂轮结合了砂带磨削加工效率高、发热低的优点及砂轮磨削精度高和设备简单的条件，解决了集成电路基板高效磨削的问题。

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