Heatproof silastic sealed ring, non - aging and good sealing property.

耐热硅橡胶密封圈, 不易老化,密封性能好.

互联网

The utility model has excellent sealing property, and is easy to achieve.

本实用新型的密封性能好且易于实现.

互联网

The sealing property is one of the main indicators of kelly stopcock.

密封性能是方钻杆旋塞阀主要指标之一.

互联网