It is significant to find optional method for keeping the face velocity uniformity of FFU and reducing the face velocity turbulivity of FFU, furthermore, to keep the cleanliness level under FFUs.
找出优化的方法来保持风机过滤器机组的面风速均匀性及减少面风速的湍流度，对于保持风机过滤器机组下方区域的洁净度有重要意义。
It is significant to find optional method for keeping the face velocity uniformity of FFU and reducing the face velocity turbulivity of FFU, furthermore, to keep the cleanliness level under FFUs.
找出优化的方法来保持风机过滤器机组的面风速均匀性及减少面风速的湍流度，对于保持风机过滤器机组下方区域的洁净度有重要意义。
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