air-pressure duct 压缩空气导管 ; 压缩空气管道
high pressure duct system 高压管路系统
air pressure duct 压缩空气管 ; 鼓风道 ; 压缩空气管道
high-pressure duct system 高压管路系统
Air duct pressure 风管压力 ; 风管力 ; 抽气器
Trim pressure duct 压力调节管道
high-pressure duct 高压胶管
The SPRD is used on zone systems when the automatic closing of various zone dampers can create an excessive increase in air pressure and velocity throughout the duct system.
SPRD旁通阀是当各种区域风门自动关闭时用在区域系统中，可以在管道系统中增加空气压力盒速度。
The SPRD will automatically open as the air pressure in the duct system increases, in order to prevent the reduction of air flow and excessive noise and velocity through the duct system.
当管道系统空气压力增加时，SPRD会自动开启，以防止管道系统中空气流动的减少和过度噪音和速度。
Presents the theoretical model of pressure drop for flexible duct.
介绍了柔性风管压力损失的理论模型。
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