研究解决隧道通风问题

哈德逊河行车隧道管最佳新鲜空气供应系统已确定

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大众科学 Magazine Vol 126 Issue 3This article was originally published with the title “Research Settles the Problem of Tunnel Ventilation” in 大众科学 Magazine Vol. 126 No. 3 (), p. 169
doi:10.1038/scientificamerican0322-169
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