论文部分内容阅读
4月20日,辽宁省政府在沈阳隆重召开全省第五届“大禹杯”竞赛总结表彰大会.全省“大禹杯”竞赛自1987年10月开
On April 20, the Liaoning Provincial Government solemnly held the 5th Dalian Dayu Cup Competition Commendation and Commendation Conference in Shenyang.The province’s “Dayu Cup” contest was held in October 1987