An analysis on the differential benefit of heavy-load traffic expressway was made.
分析了重载交通高速公路的级差效益。
The study of heavy load pavement structure is mainly in view of heavy traffic.
重载路面结构研究主要是针对重载交通而言的。
The study of heavy load pavement structure is mainly in view of heavy traffic.
重载路面结构研究主要是针对重载交通而言的。
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