固定方式：采用暗式螺钉和异形件方式固定。

Fixing mode: it is fixed by means of concealed screw and shaped part.

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以某飞行器风道零件为例，对超长超薄铝合金直壁异形件的加工进行了工艺分析和探讨。

By taking a duct of an aircraft as an example, ultra long and ultra thin al alloy straight wall special-shaped part machining process is analyzed and discussed.

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探讨了铬青铜材料异形件旋压加工时的工艺方案，技术参数的选择，以及该项技术的可行性运用。

This article discusses its election of the technological program and parameters and the feasible use of the technique when the special part of chrome bronze material is spun.

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