在对黄土高原主要公路现场调查的基础上，研究了黄土洞穴对公路的危害。
On the basis of site investigation of main highways in loess plateau, the damages of caves in collapsible loess to highway are studied.
在对黄土高原主要公路现场调查的基础上，研究了黄土洞穴对公路的危害。
Research of damage and critical thickness on loess hidden cave of the highway roadbed;
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