川东地区
eastern sichuan area
east sichuan area
eastern area of Sichuan province
eastern region of Sichuan province
The East of Sichuan Provincem
Eastern Sichuan basin
east Sichuan
eastern Sichuan
Chuandong region
sichuan basin
川西滇东地区
Area of west Sichuan and east Yunnan
纯化油田纯东地区
Chundong area of Chunhua Oilfield
大庆长垣以东地区
region to the east of Daqing Placanticline
the area to the east of Daqing Placanticline
east of Daqing placanticline
the east of Daqing placanticline