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Google圖書搜尋
Agricultural Engineering and Agricultural Mechanics at West Virginia University, Morgantown, West Virginia
West Virginia University. Department of Agricultural Engineering
出版
West Virginia University, College of Agriculture, Forestry, and Home Economics, Department of Agricultural Engineering
, 1964
URL
http://books.google.com.hk/books?id=v_Z2HAAACAAJ&hl=&source=gbs_api