单词	同時播種肥田機
释义	同Drop-drill
随便看	metal filament reinforced refractory metal matrix composite metal filament reinforced superalloy matrix composite metal filament reinforcement metal fill metal film deposition metal film potentiometer metal film resistor metal film resistron metal film thickness metal filter metal finishing metal flask metal float metal flow metal fluorescent indicator metalfluorescent indicator metal foam metal focal plane shutter metal fog metal foil metal foil capacitor metal foil detector metal form metal forming metal-forming process