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1·The Weatherproof louvre is designed for intake and exhaust ventilation applications.

风雨 百叶窗设计用于进排气通风应用。

2·Set up system to provide a cross flow of intake and exhaust ventilation wherever possible.

在任何可能的地方建立通风系统用以保证进风和排风的的交叉流动。

3·Local exhaust ventilation or other engineering controls are normally required when handling or using this product to avoid overexposure.

使用时避免过度暴露，必要时使用当地抽风系统或其它工程控制。

4·Such controls typically involve the use of local exhaust ventilation, work practice modification, and personal protective equipment in order to reduce exposure potentials.

这些控制一般包括使用局部通风系统、工作实践改善和个人防护用品，来减少暴露浓度。

5·The power DT1, DT2 power, C port A, D port and exhaust ventilation, compressed air to push the piston rod oil cylinder forward, realize the preloading force state in figure 2;

DT1通电，DT2断电，C气口通气A、D气口排气、压缩空气将油压到油缸内推动活塞杆前移，实现预压出力状态如下图2；

6·In this article, many exhaust ventilation projection designed for organic chemistry laboratory were studied and the best project was found. By using it, good effect was obtained.

针对有机化学实验室通排风系统的改造，将所设计的多种方案进行分析比较，探索因地制宜的最佳实施方案，以达到有效通排风的效果。

7·Ventilation system by sending the exhaust fan, duct, duct parts, muffler etc.

通风系统由送排风机、风道、风道部件、消声器等组成。

8·General ventilation, local ventilation, task air supply, air distribution, air supply, exhaust.

全面通风，局部通风，岗位送风，气流组织，送风，排风。

9·Install the suitable exhaust and ventilation system.

安装合适的排气和通风系统。

10·The article analyzes specifically dust control for effectiveness reasonableness and introduces calculating methods of blow and exhaust wind volume of Push pull ventilation device.

对其烟尘控制的有效性和合理性作了具体分析，同时介绍了吹吸式通风装置送、排风量的计算方法。