我一上舞台，熟悉的主题曲响起，观众们冲我发出一片惊叹声表示欢迎。

When I first went on stage, the familiar theme song played and I was greeted by oohs and ahhs from the audience.

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通过对翼片冲裁时出现的问题进行分析，利用铝合金材料具有回归现象的特点，解决了翼片平面翘曲问题。

Through analysis of the fin piece blanking problem, using the characteristics of aluminum alloy retrogression phenomenon, solved the problem of fin piece warp.

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