Given a plurality of gas exchange valves in the internal combustion engine, each having {TAIL ~ an associated control device}, both the load control and the phase displacement of all the gas exchange valves can be carried out through identical rotation of {HEAD ~ the pump plungers}, or identical axial displacement of the spool valves of all the control devices 
Given a plurality of gas exchange valves in the internal combustion engine , each having { TAIL ~ an associated control device } , both the load control and the phase displacement of all the gas exchange valves can be carried out through identical rotation of { HEAD ~ the pump plungers } , or identical axial displacement of the spool valves of all the control devices
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