中国杨凌林-木技术展交会金奖
The gold award by
the tree planting technology exposition of Yangling China |
第二届国际苗林技术展览会金奖
The gold award by
the Ⅱ international exposition for tree planting technology
|
首届沙产业博览会金奖
The gold award by
the Ⅰ exposition for industry about sand |
