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1928年出生在北京的曹光栻老人,把大半生都奉献给了祖国的石油事业,在大西北耕耘了半辈子。1989年,他从西安石仪总厂离
Cao Guangtao, an elderly man who was born in Beijing in 1928, devoted most of his life to the oil industry in the motherland and worked hard for a long time in the northwest. In 1989, he left from Xi’an Shi Yi Plant