English translation for "upper surface of permafrost"

永冻层顶面

Related Translations:

permafrost:  n.【地质学；地理学】永久冻土。

permafrost limit:  永冻区分布末端界限

supersaturated permafrost:  过饱和永冻层

permafrost subgrade:  冻土路基

marginal permafrost:  边界永冻土

permafrost soil:  永冻土壤

epigenetic permafrost:  次生永冰层

layered permafrost:  分层永冻土

alpine permafrost:  高山冻土

relict permafrost:  残存永久冻土残余永冻土残馀永冻土

Similar Words：

"upper supporting roller" English translation, "upper surface" English translation, "upper surface aileron" English translation, "upper surface grinding width" English translation, "upper surface of feet" English translation, "upper surface of rib" English translation, "upper surface of the airfoil" English translation, "upper surface of twelfth rib" English translation, "upper surface of wing" English translation, "upper surface spoiler" English translation