The air inlet and the air outlet of each section are provided with a regulating valve to adjust the air volume.
在每节的进风口与出风口处都设有调节阀，调节风量的大小。
To reduce resistance from the suction section of pump, the water pump must be installed at the condenser inlet of air conditioner.
为减小泵的吸入段阻力，水泵必须装在空调机冷凝器进口。
The section average total pressure and the average total pressure in the circumferential low-pressure areas are in linear relationship with the air inlet flow.
截面平均总压和周向低压区内平均总压与进气流量成线性关系。
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