The rock of the area weathered, the surface river and subterranean river gathered in the Heihe River irrigated area with large amount of solubile saline ( mainly NaHCO_3 and Na_2CO_3), making the proportion of saline of this area increasing steadily, and the soiled destroyed greatly.
黑河水源于祁连山,山区岩石风化后,地表径流和地下径流携带大量可溶性盐类(主要是NaHCO3和Na2CO3)向黑河灌区汇集,使得该片土地盐分含量不断增加,土壤理化性质遭到破坏。
A subterranean river said to be flowing beneath the Amazon region of Brazil is not a river in the conventional sense, even if its existence is confirmed.
在巴西亚马逊地区地下流动的地下河不是传统意义上的河流,即使它的存在已经被证实。
And ( 3) M in eral deposits with subterranean river and conduit system.
暗河管道充水矿床。
research on degree of inner waterlogging of immersed subterranean river system in reservoir areas of hydroelectric stations
水电站库区地下河系浸没内涝程度研究
like a subterranean river: negotiating rock's misogyny in china
像一条地下河:与中国摇滚厌女症的协商
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