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。
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.
对闽桥大厦地下室排烟、排风、防烟楼梯间及其前室、消防电梯前室的排烟设计分析比较；介绍空调水系统中电动两通阀的应用。
This paper analyzes several proposals of air exhaust and smoke exhaust in highrise building basement, and briefly introduces electric valves in application of aircodition water system.
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