Put the table inside the sealingring, sealingring and the handle head case tube on contact, in order to ensure the movement of water and moisture can not enter the watch.
表把的内部有密封胶圈，密封胶圈与表壳上的柄头管接触，以保证水和潮气不能进入手表的机芯。
2
Treatment of industrial water for cooling generators and filtration of sealingwater to increase the service life of the turbine shaft sliding-ring seals in hydroelectric power stations.
工业水处理冷却发电机和封水增加的涡轮轴滑动在水力发电站的密封圈使用寿命过滤。
3
When the humidity in the air content of more than 100%, the sealingring bacteria get enough water, and the oxygen in the air friction and luminescence, dry after the disappearance.