暗河

Inside the peculiar distribution of large - scale space, hall, underground river. deep twists and turns, mysterious strange.

洞内分布着奇特的大型空间， 厅堂曲廊， 暗河深涧， 幽深曲折， 神秘奇特。

There is a more than one kilometer - long underground river, whose t transparenwater keeps running allyear round.

洞内一条长逾千米的地下暗河常年流水不断，清澈见底， 游人既可乘舟览胜也可步行游览。

This is cave experts´ingeniously - designed in - cave drift project by making use of the underground flow.

这是洞穴专家巧妙利用暗河水势设置的洞内漂流项目。

The authors gave a brief introduce on the small - scale underground river marsh gas pool.

简要地介绍了暗河式生物质产沼技术的原理和特点。