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.
主厂房系统爆破开挖程序和开挖方法，最直接地影响着整个工程工期、质量、安全及成本。
The excavation sequence and excavation method of the main carven system affect directly the completion date, quality, safety and cost of the project.
评价开挖方式和支护方案的合理性。
The rationality of excavation method and shoring project is evaluated.
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