Variables that affect the compensation value include the physical volume, an internal pressure of a suction pipe, and {HEAD ~ the starting state} of {TAIL ~ the engine} 
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Variables that affect the compensation value include the physical volume , an internal pressure of a suction pipe , and { HEAD ~ the starting state } of { TAIL ~ the engine }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL