在山区、丘陵区，开发建设项目挖方量大。
In the mountain area, hilly area, the construction project excavation develops greatly.
在地下结构中，开挖方式对地表沉降和结构稳定影响很大。
In underground structure, excavation method has a great impact on land subsidence and structure stability.
在地下结构中，开挖方式对地表沉降和结构稳定影响很大。
In underground structure, excavation method has a great impact on land subsidence and structure stability.
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