Fume hoods

As I said , it 's a particularly hazardous substance , this is worked with in fume hoods .

就像我说过的，这是特别有害的物质，在通风柜中才能用。

All I get is the white noise of refrigerators or fume hoods .

我只能听到冰箱和排风机发出的白噪声。

The switches and power sockets for fume hoods shall be placed on the outside of the fume hood .

所有的开关和插座都需安装在通风柜外部。

Based on the description of styles and characteristics of fume hoods in modern laboratories , this paper analyzes the control strategies in fume hoods and ventilation systems and discusses the control and application of VAV as well as its advantages on safety , energy conservation and comfort .

在阐述实验室排风柜的类型及其特点的基础上，分析了排风柜和通风系统的控制思路，着重讨论了VAV系统的控制、应用，及其安全性、节能性、舒适性方面的优势。

Fuel vapors can escape from the carburetor float bowl through external vents , internal vents and fuel passages and air bleeds . The switches and power sockets for fume hoods shall be placed on the outside of the fume hood .

燃料蒸汽可以从化油器浮子室通过外部通风口，内部通风口，燃料通道和空气泄放口逸散出去。所有的开关和插座都需安装在通风柜外部。