automatic fire自动射击automaticadj.自动的；无意识的；必然的n.自动装置；半自动武器automatic derivative indexing计算机直接从文献中选词编索引automatic exhaust steam valve自动排气阀automatic recordingaudiometer自描听力计Automatic Bulk Tape Degausser自动磁带整体去磁器automatic document processing办公自动化automatic cylinder drain cock汽缸自动放水塞automatic air circuit breaker自动空气断路器automatic alternative billing自动更换记账Automatic Telex Reply Service自动电传回答装置服务处automatic gas cutting machine自动切割机