溪洞

县境北缘的青溪洞珍贵动物自然保护区，是广东省十大自然保护区之一。

County northern edge of the hole precious animals Qingxi Nature Reserve Nature Reserve in Guangdong Province , one of the top ten .

研究目的：结合内昆线喇叭溪棚洞地形、地质条件及既有构筑物现状对棚洞的结构方案进行研究比选，优化棚洞结构型式。

Research purposes : According to the terrain , geological conditions and the status of the existing structures , this paper discusses the alternative option of the shed hole structure in order to optimize the structural style of shed hole .

三板溪工程导流洞与大坝施工以及水库初期蓄水是控制首台机组发电工期的关键线路。

The critical path controlling the first power generation of Sanbanxi Hydropower Station is the construction of the diversion tunnel and dam as well as the initial filling of the reservoir .