unlabelled block无: not have; there is not; be w ...标号: grade; indicia; key; label; ...信号: signal; semaphore; gun组: group无标号信息块: unlabelled block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:无标号信号组，即可在微信中查询翻译
