loessial fracture黄土裂隙
loessial clay黄土状粘土
loessial territory黄土地区
loessial subsoil黄土状心土
loessial hill黄土丘陵
loessial silt黄土状粉土
Loessial Fields黄土高坡
loessial loam黄土状壤土
loessial sand黄土状砂土