A bench testing apparatus 10, wherein {HEAD ~ said predetermined engine operation parameter simulated data} are {TAIL ~ engine speed data} and a throttle valve open angle data 
A bench testing apparatus 10 , wherein { HEAD ~ said predetermined engine operation parameter simulated data } are { TAIL ~ engine speed data } and a throttle valve open angle data
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH