Northern of South China Sea
northern South China Sea
南海北部
南海北部海域
南海北部海区
南海中北部
南海北部陆坡区
northern part of South China Sea
Northern margin of South China Sea
northern of the South China Sea
northern part of the South China Sea
northern South China Sea slope
northern continental shlef of South China Sea
northern continental shelf of South China Sea
northern slope of the South China Sea
Northern South China Sea resources
Deep basin in northern of South China Sea
coastal waters northern South China Sea
Northern East China Sea
East China Sea basin and northern South China Sea basin
deserts of northern China
Northern China
北方地区
中国北方地区
华北地区
中国北方
中国华北
中国北部
北限地区
华北
荒漠化发展趋势
北方
煤中硫