The preparation method for the solder in the invention comprises the steps as follows: raw material of the active solder is added to a planetary ball mill for ball milling.

本发明钎料的制备方法如下：将活性钎料原材料加入到行星式球磨机中进行球磨。

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Consequently, the prediction of the machining error in blade milling process and the investigation of active compensation can improve machining quality and processing efficiency significantly.

因而，针对叶片在切削过程中的误差进行预测及主动补偿技术的研究，对提高叶片加工质量和加工效率具有重要意义。

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Second, the active agent would need to survive milling and other processing, as well as cooking.

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