air diffuser 将空气中的氧转移到液体中去的装置。在活性污泥法中采用多孔板、多孔管等形式的扩散器将受压空气分裂成直径大小为1.25～3.0mm的气泡，或用非多孔的散泡器或穿孔扩散管，产生直径4mm以上的大气泡。
我们公司生产的高性能空气扩散器，可满足最大房间的空气循环，提供一个舒心的室内环境。
Valid air? High performance air diffusers are designed to maximize room air circulation and provide a draft-free comfortable indoor environment.
扩散器，发动机内压气机和燃烧室间的一个部件，用来降低空气流速并增高空气压力。
DIFFUSER, a part of an engine between the compressor and combustion chamber for reducing the airflow speed and increasing the air pressure.
空气被吸入叶轮中心，被叶轮离心抛出进人扩散器。在扩散器中气体流速减慢，压力增加。
Centrifugal FLOW compressor, a type of compressor in which air is taken into the center of the impeller and is slung outward centrifugally into a diffuser where it is slowed and pressure is increased.
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