oilring bearing,oilring sticking,oil ringlubricated bearing,

同义词释义

1)oil-ring bearing,oil-ring sticking,oil ring-lubricated bearing,ring oiling bearing;ring lubricating bearing,油环轴承2)oil rim,油环3)oil ring,油环4)oil pipeline loop,输油环道5)heavy oil rim,稠油环6)Pelroleum environments,成油环境