谢天谢地，现在有了新一代的超级效能排风罩。
Thankfully, there is now a new generation of super efficient exhaust hoods.
回归分析得出了该气幕式排风罩有效控制距离的计算式。
Obtains a regression formula for predicting the effective control distance of the hood.
传统排风罩和气幕上吸罩是两种工作原理不同的局部排风设备。
The traditional exhaust hood and canopy hood with attached air curtain have different principles.
研究了商用厨房环境的空气品质，阐明了补风对排风罩性能的影响。
Were used to explore the condition in the commercial kitchen and to assist with experimental design.
本论文结论为手工涂刷胶粘剂作业场所排风罩的设计选型提供了有参考价值的基础性数据，对于同类作业场所的通风排毒控制具有借鉴意义。
This paper concluded manual brushing adhesive workplace exhaust hood selection of the design provides a useful basis of data for similar workplace ventilation control with detoxification learn.
所述导风管的一端设有供排风扇安装的斗状吸风罩口，导风管的另端设有供电热装置安装的盘状排风口，斗状吸风罩口与盘状排风口相对应；
The ducting hose end set funnel indraft cover use in ventilator installation. The ducting hose else end set discal air exit of power and heat supply set installation.
该设计两次运用回转接头，解决了局部排风系统中罩口的机动功能，已被广泛地应用于现场排尘排毒工程中，使用方便，效果良好。
The design project has applied the return joint two times to the solution of mobility of the hood of the local exhauster system. It has been widely used in practice.
该设计两次运用回转接头，解决了局部排风系统中罩口的机动功能，已被广泛地应用于现场排尘排毒工程中，使用方便，效果良好。
The design project has applied the return joint two times to the solution of mobility of the hood of the local exhauster system. It has been widely used in practice.
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