Both the palm joint 10, a bending joint 5, a bending joint 6 of the root joint 12 and the root joint 13, have a mutually parallel rotary shaft, and bend by rotary operation around this rotary shaft.
掌关节（10）、弯曲关节（5）、根关节（12）的弯曲关节（6）、根关节（13）具有相 互平行的转动轴，通过围绕转动轴的转动活动进行弯曲。
Unlike plastic with powdered carbon blades that bend and flutter, the carbon fibers in the Lakota blades are 7 times stiffer than common steel, and carry the loads from tip to root.
不像含碳的塑料叶片那样易弯曲与摆动，在LAKOTA叶片内的碳纤维硬度是普通钢的7倍，能从顶到底运载。
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