岩溶地下河
karst underground streams
subterranean karst stream
karst ground river
岩溶地下河系
Karst subterranean streams
Underground river system in karst areas
karst underground river systems
地下河道
subterranean river course
古岩溶地貌
palaeokarst landform
the ancient karst landform
岩溶地下水
Karst groundwater
karstic ground water
karstic underground water
Karst underground water
Karst water
carst groundwater
groundwater
karstic groundwater
cast water
岩溶地下水库
karsts underground reservoir
岩溶地下水利用
utilization of karst groundwater
岩溶地下水流动系统
karat groundwater flow system
岩溶地下水示踪
tracking of karst underground water flow
岩溶地下水系统
karst ground water system
Karst groundwater system
岩溶地下水质量
karst groundwater quality
岩溶地下水资源
karst groundwater resource
岩溶古地貌气藏
paleokarst landform gas reservoir