drawinginn.穿经adj.引入的drawingn.图画；素描；绘图；拉伸n.抽签动词draw的现在分词形式.drawing markup图形批注Drawing course制图drawing theory放矿理论drawing tables绘画桌drawing skills绘图技巧drawing eraser绘图橡皮drawing factor拉深系数drawing stress拉拔应力drawing layout排图drawing square直角三角尺