山地土地资源
mountainous land resources
二郎山山地鸡
Erlang Mountainous chicken
复杂山地地震勘探
complex mountainous seismic exploration
山地地形模型
mountainous terrain model
山地地震勘探
seismic survey in mountainous area
seismic exploration in mountainous area
山地地质灾害
mountain disaster
mountainous geological disaster