ช่วยแปลความหมายวิธีการนี้ให้หน่อยครับ?
method of functioning basically MAXIMATOR pumps are operating nbsp according to the prssure intensifier principle nbsp a large surface with a low pressure air piston asmall surface with a high pressure plungre piston continuous delivery is achieved by a pulse-operated 4 2-port directional control valve main block valve the main block valve admits alternatingly the top and bottom side of the air piston The main block valve is selectedvia two 2 2-port directional control valve pilot valves