The class experiment that day was to show how heating a container of water would bring air bubbling to the surface.
那天的课堂实验是为了展示加热一个盛水的容器会如何让空气冒泡到表面。
2
The functional product is set to the surface of pipeline or container of fuel or air to activate fuel fluid molecule, promote combustion and reach the aim of saving fuel and protecting environment.