洞室 meaning in English
cavern
cavity
grotto
Examples
- Summarization of underground chambers blasting excavation
地下洞室开挖爆破综述 - On the time of the catacombs of qin dynasty in sanmenxia
论三门峡秦人洞室墓的年代 - Application of chamber blasting to portal scaling
洞室爆破在洞脸削坡中的应用 - Stress tests of surrounding rock mass in substratum cavity
地下洞室围岩三维应力测试实例 - Stability assessment of a large - scale underground chamber group
某大型地下洞室群整体稳定性评价