悬浮体的制作方法是：将一个废旧自行车内胎剪去所有的胶皮，取其气门的管和芯。将灌有适量细砂的小空气球套在气门导管的下端，用细线扎紧气球口，再套上气门芯，旋紧螺帽，用自行车打气筒给气球充入适量的空气，然后放入水中直立成漂浮状，气门口朝下，气球顶点朝上，此... Suspension is made by cutting a used bicycle inner tube out of all the rubber and taking the valve’s tube and core. Place a small air ball filled with a proper amount of fine sand on the lower end of the valve guide tube, tighten the balloon opening with a thin wire, put on the valve core, tighten the nut, and use the bicycle pump to fill the balloon with an appropriate amount of air and put it. Into the water upright into a floating, gas door down, the balloon vertex up, this ...