基本解釋[經(jīng)濟(jì)學(xué)]盔式無(wú)線對(duì)講機(jī)[商業(yè)]盔式無(wú)線對(duì)講機(jī)專業(yè)釋義經(jīng)濟(jì)學(xué)盔式無(wú)線對(duì)講機(jī)商業(yè)盔式無(wú)線對(duì)講機(jī)