The column type container is made from transparent or non-transparent materials but the external wall is provided with a water level observation window or a water leveltube.
柱式容器是透明材料制成，或是用不透明材料制成，但外壁设有水位观察窗或水位管。
2
Because the utility model is provided with a level-adjusting leveltube and screw feet, the utility model can ensure that the table plate is always used under the state of level.
本实用新型由于自带调平水准管和螺旋脚，因而就能保证桌板始终在水平状态下工作。
3
Hard material, imported quality, up to the international standard test Hitachi capacitor, American laser rod, Japan imported fiber, Japan gold-plated cavity, the German power two leveltube.