风道设计 meaning in English

air duct design
dump design

Effect of air - conditioning duct design on cabin inside noise
汽车空调风道设计对车内噪声的影响
Chemical fume hoods shall be of air foil design with 45 degree sloped sections on the sides and top of the hood opening to insure maximum containment and minimum eddying of air currents
化学通风柜应采用风道设计，侧面成45度坡度，罩顶开口，以确保抽气量最大、空气涡流最小。
Adopting step - motor drive , upper / lower & back exhausting filter structure ; auto - proportioned flux supply ; special wind way design for good protection of the muzzle and avoiding flux flying to preheating zone , reducing any chance of unsafe troubles
采用步进马达驱动，上下及后侧抽风过滤方式，助焊剂自动供给，特殊风道设计，有效保护喷嘴，防止助焊剂逃逸至预热区，减少安全隐患。
Abstract : based on an investigation of some projects involving vav air conditioning systems in shanghai , describes the general status of these projects , system modes , air distribution , indoor air quality , noise control , duct design and automatic control , and predicts the future prospect of vav system application
文摘:介绍了对上海地区采用变风量空调系统的部分工程的调研情况，分析总结了工程概况、变风量系统的方式、气流组织、室内空气品质、噪声控制、风道设计、自动控制等，对其应用前景作了展望。