【简答题】读零件图,回答问题。 1. 该零件用了( )个图形进行表达,采用的表达方法是( )和( )? A. 3;基本视图;局剖视图;全剖视图 B. 3;左视图;局剖视图;全剖视图 2. 该零件名称和材料是( )? C. 泵体和HT200 D. 箱体和HT200 3. 在螺纹2×M6-7H中: M表示( ),6表示( ),其定位尺寸是( )? E. 普通螺纹;公称直径;42,31 F. 连接螺纹;螺...
【判断题】Although slavery was abolished as a result of the Civil War, the ownersof plantation in the South made more profits from selling their agriculture products.
【判断题】Although slavery was abolished as a result of the Civil War, the owners of plantations in the South made more profits from selling their agricultural products.