词汇	極頭
释义	極頭 jí tóu最高品第；第一等。极头
随便看	mechanical fuel injection timing advance device mechanical fuel injector mechanical fuel pump mechanical fuel valve mechanical function mechanical functions mechanical furnace mechanical fuse mechanical fuze mechanical gadget mechanical gage mechanical galvanizing mechanical games mechanical gantry mechanical garage mechanical gas dispersoid mechanical gasket Mechanical gastric distention mechanical gauge mechanical gear mechanical gearing mechanical gearing, fluid gearing mechanical gearings, combined with clutches mechanical gearings, combined with couplings mechanical gearings, combined with gearings