英语词汇“permissive block signal”的翻译、意思、用法、释义-英汉汉英双解词典

单词	permissive block signal
释义	permissive block signal 权宜闭塞号志机
随便看	linked network linked numbering linked numbering scheme linked object linked object code linked office linked open data Linked Open Vocabularies linked operation Linked Operational Intelligence Centers Europe linked page linked paired comparison design linked paired comparison designs linked pair method linked pattern linked-pattern Linked-Pearl Pattern linked phrase linked pieces of conserved lands linked pie/column chart linked pie/column graph Linked pipe length linked polyhedra linked polymer linked polymer micro-ball