英语词汇“f-number”的读音、翻译、释义、用法及例句-啃外文网

词汇	f-number
释义	f-numberf-number[ˈefˌnʌmbə]n.1.■【摄】光圈数effective f-number【摄】有效光圈数overall f-number总光圈大小, 总孔径焦距比
随便看	hydraulic cutting boom machine hydraulic cyclone hydraulic cyclone elutriator hydraulic cylinder piston hydraulic cylinder piston stop rod hydraulic cylinder return spring hydraulic damper hydraulic damping hydraulic decoking hydraulic diameter hydraulic die cushion hydraulic double-cage press hydraulic down-stroke press hydraulic drag hydraulic dredge hydraulic drilling hydraulic drive locomotive hydraulic dynamometer hydraulic efficiency hydraulic element hydraulic engine hydraulic engineering hydraulic equilibrium hydraulic equipment hydraulic excavation

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