液体反冲装置 制作材料:稍大些的圆形铁皮罐头盒或圆塑料盒、摁扣、自行车废辐条、易拉罐、小木条、上口直径约11厘米的小塑料漏斗等。 制作方法:1.用木条做一个长方形框架,在下面的横木条正中间嵌进一颗摁扣(凸面朝下,凹面朝上),在上面的横木条正中间钻一个眼(为了使眼内光滑,可在眼内穿 Liquid recoil device made of materials: Slightly larger round tin cans or round plastic box, buckle, bicycle waste spokes, cans, small wooden, top diameter of about 11 cm small plastic funnel and so on. Production method: 1. Make a rectangular frame with wood, in the middle of the lower horizontal bar with a snap (convex side down, concave side up), in the middle of the top of the horizontal bar to drill an eye (in order to Intraocular smooth, can be worn in the eye