国 上海文通大学 Exercise in Class For the engine mechanism; a)Scale the diagrams for dimensions; b)Find the DOF of the mechanism; c)List the basic mechanism 火花寒 圆上泽夫通大学 Exercise in Class 8 6,7 772 99 Exercise in Class For the engine mechanism; a) Scale the diagrams for dimensions; b) Find the DOF of the mechanism; c) List the basic mechanism Exercise in Class