the north of Songliao Basin
the north part of Songliao basin
Dabusu area of Songliao Basin
North Harbin area in Songliao basin
south of Songliao basin
the northern Songliao Basin
the Southern Songliao basin
southern of Songliao basin
structure in southern Songliao Basin
Songliao Basin and peripheral area
northern part of Songliao Basin
southern edge of Songliao basin
the south of Songliao basin
deep formations in Songliao basin
the South Songliao Basin
the south part of Songliao basin
central-southern area of Songliao basin