The regulation devices of the wind direction, the adjustment devices of the angle of the sieve, the shape of the sieve were designed reasonably, and the overall prototype was designed and developed.
对风向调节装置、床面角度调节装置、床面形状进行了合理的结构设计，完成了整体样机的设计开发。
The regulation devices of the wind direction, the adjustment devices of the angle of the sieve, the shape of the sieve were designed reasonably, and the overall prototype was designed and developed.
对风向调节装置、床面角度调节装置、床面形状进行了合理的结构设计，完成了整体样机的设计开发。
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