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ЇʯȻɷ˾Aֹ˾ӢPetroChina Huabei Oilfield Company1975 AͶ뿱̽_l 1976 Aָ]Aʯ 1999 10 ՇԺʯʯIMؽMƵĿwҪЇʯȻ⼯F˾ĽyһԭAʯؽMкδЃɲ֣в`ЇʯȻɷ˾QЇʯA﹫˾
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