“R.20/31”的意思、由来-开放百科全书

词条	R.20/31
释义	SeeList of Air Ministry specifications
随便看	1993 Purex Tennis Championships - Singles 1993 Qatar Open - Doubles 1993 Quatar Open 1993 Quatar Open - Doubles 1993 Quatar Open - Singles 1993 Quatar Open – Doubles 1993 Quatar Open – Singles 1993 Queen's Birthday Honours 1993 raid on Mthatha 1993 Road World Cup 1993 Romanian Open 1993 Rugby League Premiership 1993 Rugby World Cup Sevens qualifying 1993 Rugby World Cup Sevens squads 1993 Rutgers Scarlet Knights football 1993 Rutgers Scarlet Knights football season 1993 Rutgers Scarlet Knights football team 1993 Sacramento State Hornets football 1993 Sacramento State Hornets football season 1993 Sacramento State Hornets football team 1993 Salem Open-Beijing - Doubles 1993 Salem Open-Beijing - Singles 1993 San Diego Chargers 1993 San Diego Chargers football team 1993 San Diego State Aztecs football

开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。