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《中国油气:英文版》
>PetroChina Opens 18 Fresh Oil and Gas Blocks to Foreign Investors—Interview with CCAD general manager Zeng Xingqiu on PetroChina's foreign risk exploration and development
PetroChina Opens 18 Fresh Oil and Gas Blocks to Foreign Investors—Interview with CCAD general manager Zeng Xingqiu on PetroChina's foreign risk exploration and development