结果表明，采用具有优良阻尼性能的材料对于提高精密镗杆，特别是精密可调镗杆的切削稳定性，具有十分重要的作用。

The results show it is important to use high. damping materials for improving dynamic performance of precision boring bar, especially of precision adjustable boring bar.

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因而，检验镗轴的氮化质量十分重要。

So the testing nitriding quality becomes very important.

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因而，检验镗轴的氮化质量十分重要。

So the testing nitriding quality becomes very important.

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