To realize the previously discussed countermeasure, {HEAD ~ a motor driven oil pump}, which enables {TAIL ~ working oil supply} prior to the engine start up, must be installed on the vehicle separately from the engine drive pump 
enables
To realize the previously discussed countermeasure , { HEAD ~ a motor driven oil pump } , which enables { TAIL ~ working oil supply } prior to the engine start up , must be installed on the vehicle separately from the engine drive pump
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH 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