基本解釋[經(jīng)濟(jì)學(xué)]蜂鳴激勵(lì)器[機(jī)械工程]蜂音器激發(fā)器詞組短語短語buzzer r exciter 蜂鳴激勵(lì)器buzzer exciter更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)蜂鳴激勵(lì)器機(jī)械工程蜂音器激發(fā)器