department of conference services

国家的英... ... 总务处 Office of General Services 会议局 Department of Conference Services 法务局 Office of Legal Affairs ...

联合国机构  _佩佩妈妈... ... 会议事务部 department of conference services 新闻部 office of public information ...

... ) cooperative session 协同会议 ) department of conference services 会议局协会 ) association conference 协会会议 ...