本文从原因分析入手，提出了轴的缺陷、壳体磨损的解决方案。

This article obtained from the reason analysis, proposed the axis flaw, the shell wore solution.

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缺陷是由于产品零件正常磨损造成的。

If a defect is due to normal wear of working parts of the product.

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缺陷是由于产品零件正常磨损造成的。

If a defect is due to normal wear of working parts of the product.

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