工程制图习题解答工程制图习题解答(上册)(上册)吉林建筑工程学院工程图学教研室点击目录开始点击退出结束点击题号进入题解目 录页号 题号 10 2-1(1) 2-1(2) 2-1(3) 2-1(4) 11 2-2(1) 2-2(2) 2-2(3) 2-2(4) 12 2-3(1) 2-3(2) 2-3(3) 2-3(4) 2-3(5) 2-3(6) 13 2-4(1) 2-4(2)页 号 题 号 13 2-4 (3 ) 2-4 (4 ) 14 2-5 2-6 2-7 2-8 2-9 15 2-10 (1 ) 2-10 (2 ) 2-10 (3 ) 2-10 (4 ) 2-10 (5 ) 2-10 (6 ) 退 出页 号 题 号18 2-20 2-21 2-2219 2-23 20 2-2421 2-25 (1 ) 2-25 (2 ) 2-25 (3 ) 2-25 (4 ) 2-25 (5 ) 2-25 (6 )页 号 题 号16 2-11 (1) 2-11 (2) 2-12 2-13 2-14 2-1517 2-16 (1) 2-1 绘制形体的三面投影图(尺寸在立体图中直接量取)。(1)