code receiver
... code phone保密电话 code receiver收报机 code selector代码选择器 ...
[通信] telegraph receiver
... telegraph operator 报务员 telegraph receiver 收报机 telegraph wheel 控制发动机转速的手轮 ...
[通信] receiver
... 绞孔机reamingmachine 接收机,接受器,听筒,收报机receiver 凹入部recess ...
recorder
... recorder 记录器 recorder 记录器;收报机;录音机 recorder 记录器记录装置录音机印码收报机 ...