..............page:23-26,35
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Study on traffic characteristics of highway tunnel
wang shaofei 1; 2 ; chen jianzhong 1; 2 ; tu yun 1; 2 (1. department of tunnel engineering; chongqing communications research &design institute; chongqing 400067; 2. key laboratory of technology of tunnel construction and maintenance of ministry of communications; chongqing 400067)
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