【摘要】 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。更多还原

【Abstract】 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 .更多还原