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。
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。
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…
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