独山盐酸菜
Dushan greengrocery fermented
贵州独山
Dushan
Dushan in Guizhou provimce
上石炭统小独山阶—下二叠统紫松阶
upper carboniferous-lower permian
乌苏-奎屯-独山子地区
Wusu-Kuitun-Dushanzi area
新疆独山子石化公司乙烯厂供排水车间
Water Supply and Sewerage Workshop
xinjiang dushanzi ethene petrochemical plant