beacon signal指标: target; quota; norm; index; ...信号: signal; semaphore; gun示: show; indicate; signify; ins ...标: Rockwell A scale主无线电指标信号: main entrance signal下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:指标信号；示标信号，即可在微信中查询翻译
