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。
When there is no wind to run in the wind direction of the opposite angle net, the ratio of each side, which is in front of and behind wind ditection a…
当对角风路中无风流流动时，每一侧前后风路风阻之比值，一定相等。
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