intercom system造句
closed-circuittelevisionsecurityandintercomsystemRogerusedtheintercomsystemtoexplainwhatwashappening,andtomonitormylevelofpanic....
相关intercom的文学知识
intercom造句
brailleintercompoint[airportrailway]closed-circuittelevisionsecurityandintercomsystem"Whatareyoudoling?"sheoncedemandedovertheintercom.Weheardamutedvoiceovertheintercom.Dragtoindicatethelocationofac...