释义

• abbr.
  basic rest and activity cycle 基本休息与活动交替; basic rest-activity cycle 基本休息-活动周期; Brotherhood of Railway and Airline Clerks 铁路航空职员联合会; Brotherhood of Railway, Airline and Steamship Clerks, Freight Handlers, Express and Station Employees <美国>铁路航空轮船办事员

大小写变形:BrAcbrac