The effect of seal properties on life

In automobiles, seals improve airtightness and prevent wind and rain from intruding into the compartment. Once the sealing strip is deteriorated due to aging, it will cause the compartment to leak rain, increase the wind noise of the car, and it is easy for the veh

Basic theory of research on compound gear pump

Basic theory of research on compound gear pump
Core Tips: Coal Journal of Composite Gear Pumps Fundamental Theory of Research Xu Xianliang Bao Yun and Yun Fan Ming Mo 2 indicators of composite gear pump flow uniformity is determined by the meshing point of the movement f