上叶片与下叶片通过销轴和滑槽连接。
The upper blade is connected with the lower blade through a pin shaft and a chute.
所说的LED光源通过导线与设置在上叶片下部的电池连接。
The LED light source is connected with the battery arranged at the lower part of the upper blade through a wire.
中间轴上叶片采用箱板式结构，提高生产效率，叶片材质采用Q 345耐磨，延长使用寿命。
The blade in the intermediate shaft adopts box plate type structure, to improve production efficiency; the blade adopts Q345 wear-resistant material, to extend the service life.
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