The problems and design methods in ventilation design of underground parking lot are systematically summarized, the viable technology and implementation plan in ventilation design of double parking with six floor underground, 3000m2 large spaces and semi-closed state are proposed.%对国内某地下停车场通风设计中的一些问题问题和设计方法进行了系统总结，提出了地下六层、3000m2大空间、半封闭状态的双层停车场通风设计的可行性技术和实施方案。
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