高速公路路基工程
freeway subgrade engineering
高速公路工程
asymmetric state
highway construction project
Highway engineering
高速公路改扩建项目
Expressway Reconstruction project
高速公路附属区
auxiliary area of expressway
高速公路服务设施
Highway road service facilities
高速公路服务区污水
wastewater from freeway service area
高速公路服务区布局规划
Freeway Service area Layout
高速公路服务区
superhighway service area
highway service zone
Serving district of expressway
freeway service area
Service area of freeway
highway service area
Resting area of freeway
expressway service area
高速公路发展促进因子
expressway acceleration factor
高速公路的建设和管理
construction and management of highway