hat
Se Modèl la sèvis piblik karakterize nan ke yo baton an valv ak plak la valv byen fèm konekte ak plak la valv, ak modèl la sèvis piblik gen karakteristik sa yo nan Vibration anti ak ranplasman fasil.
eng
The utility model is characterized in that the valve rod and the valve plate are firmly connected with the valve plate, and the utility model has the characteristics of anti vibration and easy replacement.