young clearing virgin soil
... 垦荒机械 land reclamation machinery 新垦荒地 newly broken; young clearing virgin soil 土地改良；土地开垦；垦荒 land reclamation ...
基于8个网页-相关网页
... 新垦淡灰钙土 newly cultivated light sierozem 新垦荒地 newly cultivated soil 新老混凝土 bonding interface ...
基于6个网页-相关网页