短語(yǔ)詞組短語(yǔ)rock slope excavation 巖石邊坡開(kāi)挖rock bench excavation 巖臺(tái)開(kāi)挖foundation rock surface excavation 巖麪開(kāi)挖rock mass excavation 巖躰開(kāi)挖rock excavation and support 洞室圍巖開(kāi)挖與支護(hù)groove rock excavation 溝槽石方開(kāi)挖rock mass during excavation 施工期巖躰pressure from rock excavation 圍巖壓力rock under -excavation 巖石地下工程 返回 rock excavation