短語(yǔ)詞組短語(yǔ)Rock Fracture Toughness 巖石斷裂韌度cement -rock toughness 水泥石韌性rock dynamic fracture toughness 巖石動(dòng)態(tài)斷裂韌度fracture toughness of rock 巖石斷裂韌度 返回 rock toughness