Air distributors are usually placed in ventilating systems to keep the balancing of volume flow rates between each branch of ducts.

在许多通风系统中，常采用风量分配器来保证在各送风支路风量发生变化时系统风量的平衡。

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Air distributors are usually placed in ventilating systems to keep the balancing of volume flow rates between each branch of ducts.

在许多通风系统中，常采用风量分配器来保证在各送风支路风量发生变化时系统风量的平衡。

youdao