水力是我们身边最常见的动力源。过去用水力驱动水车来春米的情景,现在已很难见到了。但现在水力发电站仍然在用水车发电。让河水白白流走,不加任何利用太可惜了,如果能通过水车的动力来带动船向河上游溯航,岂不美哉?在此,介绍一个与其是同样道理的玩具的制作方法。用它也可以在没有河的地方玩。这个游戏就叫它为“鲤鱼跳龙门”吧。 Hydraulic power is the most common power source around us. In the past, the use of water-powered waterwheels to spring rice was difficult to see. However, hydroelectric power stations are still generating electricity in water vehicles. It is a pity that the river is left running without any use. If we can use the power of the waterwheel to drive the ship to trace the upper reaches of the river, why not? Here, introduce a method of making toys that are the same. It can also be played where there is no river. This game is called it “The Catfish Jumping Dragon Gate”.