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2010年6月23日,柳工举行仪式欢送柳工技术专家颜炜出征中国第四次北极科学考察。本次北极考察将历时3个月,颜炜在考察队伍中将担任
On June 23, 2010, Liugong held a ceremony to send Liugong technical expert Yan Wei to China for the fourth Arctic scientific expedition. The Arctic expedition will last 3 months, Yan Wei in the inspection team will serve as