Description: specific design within a type, generally characterized by the construction or dimensions; Name: des
Description: certain design in the context of a type which is generally distinguished by the construction or the dimensions; Name: design
Description: average speed given by the stroke length multiplied with the number of complete pumping cycles of the piston, plunger or piston attached to the diaphragm per minute (stroke per minute or pump crank speed); Name: piston velocity