Air in the engine is cyclically heated (by an alcohol burner) and expands to push the power piston (shown in blue) to the right.
Air in the engine is cyclically heated (by an alcohol burner) and expands to push the power piston (shown in blue) to the right.
空气在引擎中是不断地加热(由酒精灯加热)，在空气膨胀时就会推动施力活塞(图中蓝色部分)到右边。