People today know that there are no underground cities on the moon.
现在的人们知道月球上没有地下城市。
Presently, there is no underground natural gas storages operation in abandoned salt caverns in the world.
目前，国内外鲜见利用地下废弃盐岩溶腔作为天然气储气库的先例。
Presently, there is no underground natural gas storages operation in abandoned salt caverns in the world.
目前，国内外鲜见利用地下废弃盐岩溶腔作为天然气储气库的先例。
应用推荐