The amount of blade twist is called the pitch angle .
叶片扭曲的量被称之螺旋上升角。
The twist angle of L shape piston ring directly influences the performance of diesel engine.
形活塞环的扭角对柴油机的性能有着显著的影响。
I must admit I cheated a little to get this image, and I changed both the Angle of the twist and the number of steps the effect was repeated.
我必须承认我为了得到这形象有点欺骗，并且我改变了扭曲的角度和数字跨效果重复了。
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