短語詞組短語rock slope excavation 巖石邊坡開挖rock bench excavation 巖臺(tái)開挖foundation rock surface excavation 巖面開挖rock mass excavation 巖體開挖rock excavation and support 洞室圍巖開挖與支護(hù)groove rock excavation 溝槽石方開挖rock mass during excavation 施工期巖體pressure from rock excavation 圍巖壓力rock under -excavation 巖石地下工程 返回 rock excavation