公路双线连拱隧道以其占地少、与线路连接方便等突出优势在高等级公路建设中被越来越多的采用。
The road double lines multi-arch tunnel has such advantages as low ground area, easy connection with other lines and so forth, and is adopted more and more widely in high grade road construction.
提出采用双线性模型预测公路客运量。
The article puts forth to use the double -linear model to forecast the highway passenger capacity.
该桥近期全线按高速公路标准建设，桥面设双向6车道，并预留双线轨道交通空间。
This bridge is all constructed now according to the expressway standard. The bridge deck is designed by the double-way 6-lane and the double-line rail traffic space is remained.
大多数条海底公路隧道是单洞双线，但是当坡度大于6%时，有些隧道就增加一条线。
Most of the tunnels have one tube with two lanes, but some tunnels have an extra lane when the gradient is more than 6 %.
大多数条海底公路隧道是单洞双线，但是当坡度大于6%时，有些隧道就增加一条线。
Most of the tunnels have one tube with two lanes, but some tunnels have an extra lane when the gradient is more than 6 %.
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