1：乳化头***低位置，避免损坏玻璃器皿 Lowest position of the emulsion head, avoid destroying glass containers 2：容器中心位置调整，满足不同规格容器 Adjusting the central position of the container, meeting different needs of various specifications 3：安全带，用于固定容器，防止偏移 Safe belt prevent the container from sliding