lubricating system force-feed lubricating system force feed pressure-feed lubricating system pressure feed
lubricating_system%1:06:00:: force-feed_lubricating_system%1:06:00:: force_feed%1:06:00:: pressure-feed_lubricating_system%1:06:00:: pressure_feed%1:06:00::
mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings