closed ventilation system
... 闭合向斜 closed syncline 密闭式通风系统 closed ventilation system 闭合容积 closed volume ...
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在建立密闭式鸡舍机械通风系统气流运动方程的基础上，推导了由流函数和势函数表示的气流运动控制方程。
On the basis of the establishment of air movement equations in a confined ventilated chicken house, the governing equation, represented by the stream function and potential function, is deduced.
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