road base meaning in Chinese

道路基层
路底基层
路面承重层

The stability analysis on sandy gravel as road base
砂砾石作为道路基层的稳定性分析
Implement of reinforcing road base by pouring concrete slury
路基注浆加固方案的实施
The application of coal gangue used as road base material
煤矸石做道路基层材料的应用分析
Utilization of coal waste in road base
煤矸石在道路基层的试验研究
Code for construction and acceptance of municipal road base works
城市道路路基工程施工及验收规范

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