寒区隧道保温设防长度工程实践与研究进展综述
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Review on engineering practice and research progress on thermal insulation length of tunnels in cold regions
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图1. 寒区隧道最冷月平均气温和设防长度的统计关系[ |
Fig. 1. Relationship between mean monthly air temperature of the coldest month and thermal insulation length of tunnels in cold regions[ |
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