The exit of Jia Zhu Qing tunnel in Nanning-Kunming Railway lies to Fang Ma Ping section where both debris flow and siltation are potential hazards affecting long-term safety of the rail way.
南昆铁路家竹菁隧道出口至放马坪垭口沿段家河下游盲谷一段线路，存在泥石流及河床淤涨两大潜灾。
The exit of Jia Zhu Qing tunnel in Nanning-Kunming Railway lies to Fang Ma Ping section where both debris flow and siltation are potential hazards affecting long-term safety of the rail way.
南昆铁路家竹菁隧道出口至放马坪垭口沿段家河下游盲谷一段线路，存在泥石流及河床淤涨两大潜灾。
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