专项科研成果推广活动
词语: 专项科研成果推广活动
解释: activity of spreading special scientific achievement
词典: 贸易专业汉英词典
专项科研成果推广活动 相关解释
activity of spreading special scientific achievement 专项科研成果推广活动
专项科研成果推广活动 activity of spreading special scientific achievement
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