So, it has great academic and engineering value for the prediction and improvement of Aeronautical thin-wall components machining distortion.
因此，实现航空薄壁件加工变形的预测和控制具有重大的理论意义和工程应用价值。
The experiment of sound radiation efficiency and engine noise test were carried out when the engine was equipped with thin-wall components with free and compound damping.
采用表面振动法进行了柴油机表面辐射噪声的诊断，并对附加自由和复合阻尼的薄壁件进行了声辐射效率试验研究和整机试验。
Pressing thin wall components requires Constant velocity while the operation process.
薄壁零件在冲制过程中要求匀速拉延成形。
Pressing thin wall components requires Constant velocity while the operation process.
薄壁零件在冲制过程中要求匀速拉延成形。
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