The shape of blade form centerline determined the work regular of blade to airflow.

叶型中线的形状决定了叶片对气流的作功规律。

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Because the shape of blade is complex and the forming precision is very high, the die making needs more high precision.

由于叶片形状复杂，零件成形精度高，因此，对于叶片模具的制造需要更高的精度。

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There are many demerits in the traditional method to optimize the forging stock shape of blade in factory, but these de…

常规用来选择叶片锻坯合理结构形式的方法有诸多缺点，采用有限元方法将会在很大程度上弥补这些不足。

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They become sticky and harden into the shape of the letter C, like a sickle, a hand tool with a curved blade.

VOA: special.2009.12.16