山区农机化
mountain agricultural mechanization
长白山低山丘陵区
the hilly districts of Changbai Mountain
低山丘陵区
low mountain-hilly region
hilly area
low mountain and mound area
mountain and hill areas
low mountain and htlly district
Low-mountain and hilly areas
low mountains and hills area
low mountain and hilly region
Hilly areas
Low mountains and hills
mountainous hilly region
low mountainous and hilly areas
low-middle mountain and hill area
Hilly land
Low Mountainous and Hilly Area
Hilly region
low mountain and hill region
low mountains and hill area
东北低山丘陵区
hilly region of northeast China
鄂东南低山丘陵区
the hilly southeast Hubei Province
花岗岩丘陵山区
granite hill and mountain area
丘陵山区
Hittyland
Hilly mountainous areas
hill areas
Mountain and Hill
Hills and mountains
Hill area
foothill or mountains
Hilly and mountainous area
Mountainous region
Hilly areas
hilly
hilly area
hilly and mountainous region
hills area
苏南丘陵山区
hilly area of southern Jiangsu
太行山低山丘陵区
the hilly area of Taihang Mountains
Hilly area of Taihang Mountains
皖西丘陵山区
hilly and mountainous region of the west of Anhui Province
西南丘陵山区
the hilly and mountainous in southwestern China
重庆丘陵山区
temperature fatigue stress
紫色丘陵农区
the purple soils in the hilly agricultural area
半干旱黄土丘陵区
Semiarid loess hilly and gully region
Semiarid loess hilly region
semi-arid Loess Hill Region
semi-arid loess hill area
semiarid hilly area of the Loess Plateau
半湿润黄土丘陵区
semi-humid rolling loess region
半湿润丘陵区
semi-humid gullied rolling region