{HEAD ~ The diaphragm} 4 is moved with {TAIL ~ a suction stroke} in direction B and a delivery stroke in direction C by means of a hydraulic fluid contained in a working chamber 9, that also includes a conventional device 10 for compensating leaks 
is moved with
{ HEAD ~ The diaphragm } 4 is moved with { TAIL ~ a suction stroke } in direction B and a delivery stroke in direction C by means of a hydraulic fluid contained in a working chamber 9 , that also includes a conventional device 10 for compensating leaks
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH