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3月19日,为期三天的第九届中国国际石油石化技术装备展览会在北京中国国际展览中心(新馆)举办。中国石油天然气集团公司副总经理、党组成
On March 19, the 9th China International Petroleum & Petrochemical Technology and Equipment Exhibition was held at China International Exhibition Center (New Building) in Beijing for three days. China National Petroleum Corporation Deputy General Manager, the party formed