The section shape of spiral blade of fan is drawn according to the calculated width of blade.
根据计算出的叶片宽度，画出螺浆式风扇叶片的截面形状。
Further, the optimum design for blade width is carried out within the given range of product size.
在导板优化基础上，对给定产品规格范围进行叶片宽度的优选设计。
Simultaneously, a cutting blade adjusting device is arranged on the cutting device for adjusting the position of the cutting blade so as to adjust the cutting width of the films or the sheets.
同时增加了刀片调节装置来调节刀片位置，以此来调节薄膜或片材的切割宽度。
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